Splatoon Raiders Endgame Guide: Hidden Ruins & Bottomless Buffet

Once you clear the main story in Splatoon Raiders, the game shifts into true endgame progression—where character level caps, relic access, hard-dungeon clears, and rare resources determine how fast you can build power. The endgame loop is built around unlocking Hidden Ruins, pushing deeper into Bottomless Buffet, then using ship facilities to turn that grind into optimized gadgets and 5-star weapon upgrades.

Why the endgame starts with level 50 and skill points

Endgame power isn’t just about clearing harder content—it begins with reaching level 50 and collecting every available leveling-related skill point. Leveling to 50 grants skill points, plus increases to HP and Damage, and it’s the most efficient point at which those gains are meaningful.

After level 50, continued leveling still adds HP and Damage, but the increases become minimal. The key reason to stop focusing on “just leveling” and instead chase total skill point completion is what skill points unlock next.

Level 50 is the max level that grants skill points; going past 50 adds only small HP and Damage over time.
Skill points unlock a 5th relic slot once you remove the limiters with enough points.
To reach the three hidden relic dungeons, you need to be high enough level, and the leveling skill points are part of ensuring that threshold is met.

Hidden Ruins are the gate to Bottomless Buffet

The next step is a content gate: the three Hidden Ruins. These aren’t one-off clears—each Hidden Ruins dungeon must be completed using each Tank type, meaning you effectively run nine dungeon clears across the three Tanks.

Because these runs can be punishing when your setup isn’t familiar, the endgame progression emphasizes preparation: have at least three gadgets available that you can equip on each Tank, so you aren’t forced to improvise entirely new gadget plans mid-progression.

Bottomless Buffet: escalating floors with a weapons payoff

After completing all three Hidden Ruins using the Power Tank, Speed Tank, and Tactical Tank, you unlock Bottomless Buffet—the “true” endgame mode. It’s structured as an escalating dungeon ladder: you begin at Floor 1 and clear three floors at a time for each dungeon run.

The difficulty ramps as you descend, and once you pass Floor 60, the run becomes a meaningful way to obtain 5-star weapons. The mode includes an initial descent to level 100, and then continues as “bottomless” beyond that point.

Ship facilities turn grinding into build power (and they cost rare gems)

Bottomless Buffet is also where build optimization starts to matter. To fully convert your farming into stronger characters, you must unlock all facilities on your Hideout Ship—particularly the final two facilities needed to maximize endgame damage.

Part Upgrading: stronger gadget parts and slot efficiency

Part Upgrading lets you upgrade individual gadget parts for each gadget. Upgrading increases the overall damage of a gadget, and in some cases reduces how many slots a gadget part uses—letting you fit more gadget parts and higher-level versions once slot cost drops.

Weapon Power Swapping: re-rolling weapon power on 5-star weapons

Weapon Swapping is the other endgame cornerstone. It allows you to change Weapon Powers on individual 5-star weapons. Doing this requires weapon power chunks obtained by scrapping weapons through the Weapon Scrapping facility.

Both gadget part upgrades and 5-star weapon power upgrades eventually require Spirhalite Gems. The guide warns that after you’ve completed every dungeon on Super Spicy, Spirhalite Gems become very rare—so they should be treated as a high-value resource rather than something to spend freely.

Farming Spirhalite Shards and Salmonid drops: Super Spicy crystals and Pudyin Den

For general farming, the guide points to crystal mining dungeons on Super Spicy as the most reliable method. These runs involve collecting power eggs, mining shards from crystals, and then mining a larger crystal at the end. The Super Spicy versions are all level 80 dungeons that force the hardest difficulty behavior.

Even if you set a lower difficulty, these dungeons still run on Survivalist difficulty. The guide also notes a solo-specific rule: when playing solo, gear obtained during runs is kept when you return to the Hideout Ship, even if you fail the mission—so you can keep progressing toward stronger clears.

Pudyin Den: fastest shard and drop focus

For players who want a more targeted farming option, the best method described is Pudyin Den. It requires defeating a single Small Fry Salmonid, which the guide emphasizes hits hard and has a large health pool.

In its standard Raid version, rewards include Salmonid materials of every type and, depending on the run, up to 8000 shards from the treasure reward. The guide claims the normal version can be completed in under 10 seconds with the correct setup.

The recommended tactic is a Freeze-centered combo:

Use gadgets with Freeze (examples given: Blast Boot or Meteor Mitt) and upgrade them to reach a 100% Freeze chance.
Bring a weapon with strong single-shot damage; 4K Chargers are stated as the best fit.
Equip Ice Breaker Weapon Power, which multiplies the damage Frozen Salmonid takes.
Freeze the target with the gadget, then finish it with the Ice Breaker-powered weapon strike.

If executed properly, the guide says one shot can defeat the Salmonid in the level 36 version. The same approach can work on Spicy and Super Spicy, but it may require more than one shot. It also advises against farming higher difficulties repeatedly because the time cost doesn’t match the rewards; instead, complete higher difficulties once on Spicy and Super Spicy for limited rewards.

Endgame progression advice: first-time clears, daily help bonus, and testing builds

Beyond farming shards, Spirhalite Gems are described as having no fixed farm route. The practical approach is to keep pushing high-level content and rely on drops. The guide specifically highlights that completing dungeons on Super Spicy—especially Dens—matters because Dens award Spirhalite Gems the first time you beat them.

Daily “Go Help” bonus and its risk

Every day, players can gain extra rewards by helping others online. The guide points to a “Go Help” option on the Treasure Map; when active, a bonus reward box may include Spirhalite Gems.

However, the risk is significant: if you fail a multiplayer dungeon, you cannot keep any loot collected during that run. The system is presented as a trade-off between potential bonus rewards and the possibility of walking away with nothing.

Test Range for build validation

The Test Range is positioned as a critical tool once endgame upgrades are in place. It supports target setups like unbreakable targets, moving targets, multiple targets, rails, and a shot machine that damages you. The guide notes that this is useful for validating weapon power interactions (for example, how much extra damage Long Range provides and what distance is needed to trigger it).

With level and relic milestones completed, Hidden Ruins cleared across all Tanks, Bottomless Buffet unlocked, and ship facilities ready for part upgrading and weapon power swapping, the endgame grind in Splatoon Raiders becomes a clear sequence of progression—rather than a wall of overwhelming difficulty.