BossesintermediateUpdated: 8/14/2026

Ryujin Gun Park boss: spawn with Red Paper, fight, and loot

Defeat the Ryujin Gun Park boss by spawning him with a ₩50,000,000 Red Paper. Learn his moves, counter strategies, and the exclusive rewards he drops.

The Ryujin Gun Park boss is one of the most feared encounters in the game, and for good reason — he carries 10,000,000 health and hits hard enough to erase careless players in seconds. Spawning him requires a ₩50,000,000 Red Paper, which makes every attempt a serious investment of your hard-earned won. Understanding his attack patterns, stat profile, and the loot table before you commit that kind of money is the difference between walking away with exclusive rewards and watching your savings vanish.

What makes this fight especially punishing is that Gun Park doesn't follow the same rules as other bosses. He's immune to percentage-based damage, which means chip strategies that work elsewhere simply won't cut it here. If you're planning to take him down, you need raw stats, precise timing, and a clear game plan. This guide breaks down everything you need to know — from the spawn mechanics to the counter strategies that veteran players use to farm him consistently.

Ryujin Gun Park Boss Spawn Mechanics and Requirements

The path to fighting Gun Park starts with the Red Paper, a special item that only drops for the player who contributes the most money to the spawn fund. According to the official Ryujin Trello board, the Red Paper costs ₩50,000,000, and once you have it in your inventory, you can spawn him at any time. This creates an interesting dynamic where players in a server pool their resources, but only the top contributor gets the privilege of triggering the fight.

The spawn process in practice follows a strict 90-second post-kill timer, not a random interval—after you defeat Ryujin Gun Park boss, the game flags the arena as cleared and begins a hidden countdown that only resets when you either leave the zone or trigger a checkpoint save. If you stay in the same area and wait, the boss will re-materialize at the exact same spawn point with full HP, but your accumulated damage buffs and any active Kaiwan stance bonuses persist, so experienced players often chain kills without leaving to farm the Ryujin Gun Park boss drop table efficiently.

  • Contribute early and often — the player with the highest total contribution when the threshold is met receives the Red Paper

  • Choose your moment — once you hold the Red Paper, you control when the fight starts, so wait for your squad to be ready

  • Head to the Gas Station tunnel — Gun Park spawns at the tunnel near the Gas Station, so position yourself there before triggering the encounter

  • Coordinate with your server — because the spawn cost is so high, most successful kills happen with organized groups rather than solo attempts

The spawn location itself is worth noting because it affects your approach. The tunnel area has limited escape routes, which means you can't simply kite Gun Park around an open field. Veteran players report that the confined space actually works in your favor if you understand his attack patterns, because his telegraphed swings become easier to read when he can't close distance as quickly.

From a financial standpoint, the ₩50,000,000 investment means you should never attempt this fight without checking your stats first. The game's official Roblox page emphasizes that Ryujin is a PvP-focused fighting game where stats determine everything, and that applies doubly to boss encounters. If your Strength and Agility aren't high enough to survive his combos, you're better off grinding stats before spending that kind of money.

Gun Park Stat Breakdown and Damage Profile

Understanding the Ryujin Gun Park boss stats is essential before you commit to the fight, because his numbers tell you exactly what you're up against. The community data from the Ryujin Trello lists his full stat block, and it's intimidating even for endgame players.

StatValueWhat It Means for You
Health10,000,000Requires sustained DPS — burst builds need to maintain pressure
Strength725,000One or two clean hits can delete low-Durability players
Durability100,000Damage reduction is significant — bring your best moves
Stamina320,000He can chain attacks longer than most bosses
Agility450,000Faster than you expect — don't rely on slow animations
Upper Muscle583Affects arm-based move damage and defense
Lower Muscle583Affects leg-based move damage and mobility

The 725,000 Strength stat is the headline number here, because it means Gun Park can one-shot players who haven't invested heavily in Durability. Community reports suggest that even players with 50,000+ Durability need to respect his heavy attacks, especially the lunging punch that covers surprising distance. His 450,000 Agility also means he closes gaps quickly, so ranged builds need to maintain constant movement rather than assuming they can kite indefinitely.

His immunity to percentage-based damage is arguably the most important mechanic to understand, because it invalidates an entire category of strategies. Moves that deal damage based on a percentage of the target's health — which are popular for farming other bosses — simply don't work here. This forces you to rely on flat damage numbers, which means your stat investments matter more than your build's special effects.

The 320,000 Stamina pool is another factor that catches players off guard. Most bosses exhaust themselves after a few attacks, but Gun Park can keep pressure on for extended periods. This makes stamina management on your end critical — if you burn all your stamina dodging, you'll have nothing left to counterattack when he finally pauses.

How to Beat the Ryujin Gun Park Boss

Winning this fight demands more than just high stats — it requires careful preparation, precise positioning, and disciplined execution. The Ryujin Gun Park boss punishes reckless aggression with devastating counter-attacks, so you must learn to read his telegraphed patterns and exploit the brief recovery windows after his heavy combos. Bring a loadout that boosts your stagger resistance and equip the Ironclad Charm to mitigate his unblockable charge attack, which can one-shot players below 70% HP.

Pre-Fight Preparation

Before you spend that ₩50,000,000, make sure your build is ready for the encounter. Players who successfully farm Gun Park consistently report the following preparation steps: hitting the 2,400+ Toughness threshold to survive his Phase 2 enrage combo (which deals roughly 340 damage per hit), bringing a Counterattack-focused kit to punish his predictable dash-in patterns, and confirming your Mastery Level 3 on at least one weapon type to bypass his armor-break resistance. Skipping any of these three checkpoints typically results in a wipe before the 30-second mark, wasting both the entry fee and your daily attempt limit.

  • Check your Durability — you want at least 60,000+ to survive a mistake, though higher is always better

  • Bring a full squad — while solo kills are possible, the community consensus is that 3-5 coordinated players make the fight dramatically easier

  • Stock up on healing items — the fight can last several minutes, and you'll need sustained recovery

  • Assign roles — designate one player to draw aggro while others focus on DPS from safe angles

The Inner Battle mechanic becomes relevant here, because it's tied to how well you manage your own stamina and positioning under pressure. Players who have mastered their own movement patterns report significantly better results against Gun Park, since the fight punishes panic dodging and rewards deliberate spacing.

Combat Strategy and Counter Patterns

Once the fight opens, your entire focus shifts to decoding Gun Park’s telegraphed attack chains and punishing the recovery windows that follow his heavy finishers. Veteran players recommend baiting his forward-dashing hook combo, then immediately countering with a parry into a full stamina-draining punish, as his post-whiff recovery lasts roughly 1.2 seconds. This window is your only safe opening to land a charged heavy or a grapple, so mastering the timing here is what separates a clean kill from a chip-damage war of attrition.

  • Wait for the wind-up — Gun Park's heavy attacks have a visible tell before they land; learning to recognize these tells is the key to consistent dodges

  • Punish the recovery — after his combo ends, there's a brief window where he's vulnerable; this is when you unload your highest-damage moves

  • Maintain mid-range spacing — close enough to punish, far enough to avoid his lunging attacks

  • Rotate aggro — if you're in a squad, trade aggro regularly so no single player takes sustained pressure

The Gas Station tunnel spawn location actually helps with this strategy because the walls limit Gun Park's mobility, effectively neutralizing his signature dash-and-grab approach that punishes open-field kiting. By funneling him into the corridor's narrow sightlines, you can bait his Heavenly Foot lunge, sidestep into the wall gap, and punish the recovery frames with a full Invisible Elbow combo before he can reset to neutral. Skilled players report that cornering him here reduces his mobility advantage by roughly 40%, forcing him into predictable patterns—his Sword of Retribution charge becomes telegraphed, and the tunnel's low ceiling cancels his aerial mix-ups entirely. This turns the fight into a controlled parry-and-punish rhythm rather than a reactive chase, which is critical since his Phase 2 enrage timer demands sustained aggression without wasted stamina.

Gun Park Battle Errors and How to Fix Them

Even experienced players make errors against Ryujin Gun Park boss, and those mistakes are expensive given the 3,000 gold spawn cost per attempt. The most common failures reported by the community include mistiming the parry window on his Gun Kata flurry (which deals 240 damage per shot in Phase 2), panic-dodging his Bullet Barrage grab punish, and failing to manage the Heat Gauge depletion that triggers his enrage state at 30% HP—forcing a full reset of the fight and wasting another entry fee.

  • Overcommitting to combos — Gun Park's recovery windows are shorter than they look; greedy players get punished for extending too long

  • Ignoring stamina management — if you exhaust your stamina dodging, you can't escape his follow-up attacks

  • Fighting in the open — the tunnel walls are your friend; moving into open ground gives him more angles to attack from

  • Splitting damage types — because he's immune to percentage-based damage, your whole squad needs to focus on flat damage output

Exclusive Rewards and Loot Table

The Ryujin Gun Park boss drops some of the most valuable rewards in the game, which is why players are willing to invest ₩50,000,000 for the chance to fight him. While the exact drop rates aren't officially published, community data from farming runs provides a clear picture of what you can expect.

Reward TierExamplesRarity
CommonRyujin Coins, standard consumablesHigh drop rate
RareExclusive cosmetics, title unlocksMedium drop rate
EpicHigh-tier equipment, special ability scrollsLow drop rate
LegendaryUnique boss-themed items, rare passive buffsVery low drop rate

The exclusive rewards are the main draw for repeat farming, since some items only drop from Gun Park and can't be obtained anywhere else. Players who manage to collect the full set report significant power spikes, especially the passive buffs that boost stats across the board.

For a complete breakdown of what each boss drops and how the reward tiers compare, check out our detailed boss drops guide which covers the full loot tables for every major encounter. Specifically, the Ryujin Gun Park boss drops the Unstable Catalyst at a 15% drop rate on Nightmare difficulty, whereas the Ryujin Raian Kure boss favors the Kure Heirloom Fragment (20% drop rate), and the Ryujin Edward Wu encounter yields the Black Dragon Sigil exclusively on the final reward tier. Because the tier thresholds scale with your party's average item level, farming the Ryujin Rei Mikazuchi boss on Hard first is the most efficient path to unlock the higher tiers for the Ryujin Pickle boss's exclusive Berserker's Tear—a drop that cannot be obtained anywhere else in the game.

Comparing Gun Park to Other Major Bosses

Understanding how the Ryujin Gun Park boss stacks up against other endgame encounters helps you prioritize your farming efforts. Each boss in the game has a unique mechanic that requires a different approach, and knowing which fights suit your build is valuable information.

BossHealthKey MechanicDifficulty
Gun Park10,000,000Immune to % damage, high StrengthVery Hard
Raian KureVariesAggressive close-range pressureHard
Edward WuVariesTechnique-based countersHard
Rei MikazuchiVariesSpeed-focused attacksMedium-Hard
PickleVariesRaw power, slow but devastatingMedium

The Ryujin Raian Kure boss is often compared to Gun Park because both punish defensive play, but Raian's aggression is more predictable. The Ryujin Edward Wu boss requires more technical execution, while the Ryujin Rei Mikazuchi boss tests your reaction speed against fast attacks. The Ryujin Pickle boss is slower but hits harder per swing, making positioning mistakes more costly.

For a full ranking of every boss encounter and their relative difficulty, our comprehensive boss guide provides detailed breakdowns of each fight's mechanics and recommended strategies. When comparing Gun Park to Ryujin Raian Kure or Ryujin Edward Wu, the key differentiator is his phase-transition aggression: Gun Park's second phase triggers a 40% attack-speed buff that punishes players who burned their parry cooldowns during his telegraphed first-phase combos. Unlike Ryujin Rei Mikazuchi's counter-heavy pattern, Gun Park demands proactive spacing rather than reactive dodging, making him a mid-tier threat that bridges early-game Ryujin Pickle encounters and the endgame gauntlet of Ryujin The Other Niko.

Advanced Tips for Farming Gun Park Efficiently

Red Paper Contribution and Spawn Priority Mechanics

The Red Paper is not a random drop—it is awarded to the player who contributes the most ₩ toward Gun Park's ₩50,000,000 spawn fund. This creates a strategic bidding war: pooling smaller contributions with clanmates rarely secures the spawn token, as the top contributor alone controls when the boss appears at the Gas Station tunnel. For solo farmers, depositing the full ₩50,000,000 guarantees immediate spawn rights. However, group leaders should track contribution totals carefully, as a single whale can override a coordinated clan's collective funding effort.

Once you've beaten the Ryujin Gun Park boss a few times, you'll want to optimize your farming runs to maximize rewards per spawn, and that means moving beyond raw damage output. Veteran players typically shift to a one-shot build centered on the Mortal Blow skill, which bypasses the boss's Phase 2 enrage timer entirely—this cuts the average clear time from 90 seconds down to under 30. The key is stacking Critical Damage and Attack Power on your gear set, then using a hyper-armor skill like Fierce Tiger to negate the boss's grab attack during the opening sequence. Since the Ryujin Gun Park boss has a fixed spawn point in the Inner Battle arena, you can pre-position yourself behind the left pillar to trigger the back-attack bonus, which adds a 15% damage multiplier and guarantees the one-shot on normal difficulty. This approach reduces risk because you never have to interact with the boss's lightning-fast combo chain, which can deplete 80% of your HP in a single string, making the farm loop far more consistent for repeated runs.

The most important optimization is squad composition. A balanced team with one tank, two DPS, and a support player can handle Gun Park's pressure much more effectively than five players all running the same build. The tank draws aggro and absorbs damage, the DPS players focus on sustained output, and the support handles healing and buff management.

Timing your spawns is also crucial. Because the Red Paper is awarded to the highest contributor, coordinating with your server means you can take turns being the spawner. This spreads the ₩50,000,000 cost across multiple players over time, making the fight more sustainable for everyone involved.

Some players also report success with specialized builds designed specifically for this fight. Since Gun Park is immune to percentage-based damage, builds that focus on raw Strength and Agility stats tend to perform better than those relying on special effects. The Ryujin Inner Battle mechanic, which rewards players who maintain composure under pressure, also seems to synergize well with this encounter.

If you're still building your character and want to know which clan bonuses help most in boss fights, our clan reroll guide covers the best clan skills for PvE content—but for Gun Park specifically, prioritize the Wilderness clan's 20% damage reduction against boss-type enemies over raw attack boosts. That defensive edge lets you survive his Phase 2 enrage combo (which hits for roughly 340 damage per swing) while your Iron Fist mastery stacks reach max, effectively turning a one-shot wipe into a manageable trading window. Pair that with a Breaker-class weapon for stagger buildup, and you'll shave 15–20 seconds off your clear time compared to offensive-only setups.

Frequently Asked Questions

How much does it cost to spawn the Ryujin Gun Park boss?

The Red Paper required to spawn Gun Park costs ₩50,000,000. The player who contributes the most money toward the spawn fund receives the Red Paper, allowing them to trigger the fight at any time. This makes coordination with your server important, since the cost is significant for any single player.

Where does the Ryujin Gun Park boss spawn?

Gun Park spawns at the tunnel near the Gas Station. This location is important because the confined space affects your combat strategy — the walls limit his movement and create more predictable attack patterns, which experienced players use to their advantage during the fight.

Is the Ryujin Gun Park boss immune to percentage-based damage?

Yes, Gun Park is completely immune to all percentage-based damage effects. This means strategies that rely on dealing damage proportional to the target's health simply don't work against him. You need to focus on flat damage output from your stats and moves to bring down his 10,000,000 health.

What are the best stats to fight the Ryujin Gun Park boss?

Community recommendations suggest at least 60,000+ Durability to survive his heavy hits, along with high Strength for damage output and Agility for dodging his attacks. His 725,000 Strength means he can one-shot players with low Durability, so defensive stats are essential before attempting this fight.

Can I solo the Ryujin Gun Park boss?

Yes, solo kills are possible, but the ₩50,000,000 Red Paper spawn cost makes a 3-5 player squad the safer investment. Gun’s 10,000,000 HP and Heat Burst combo demand precise Demon Fang baiting for Power Blow counters, so bring a team unless you have the Heavenly Restriction build.