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Core Keeper • Boss Guide

The Hydra Titans (Druidra/Crydra/Pyrdra)

Biome: Wilderness / Sea / Desert HP: Very High Last updated: 2026-02-28
← All bosses Best food tier lists Auto golden crop farm

How to summon / find

Found roaming their respective biomes (Wilderness, Sea, Desert).

Recommended food focus

Pick one main meal plan that fits this fight, then keep one backup plan (survival or extra damage).

Boss Damage Critical Hit Chance.

Prep checklist

Bring these before you start—this is the fastest “stop dying” layer.

  • ✓ Elemental Resistance Gear
  • ✓ High Crit Weapon
  • ✓ Boss Damage Food
  • ✓ Swiftness Potion

Deadly attacks to dodge

If you learn only 3 things, learn these. They cause most wipes.

Elemental Breath
Fires a continuous beam of fire/ice/poison.
How to dodge: Dash to the side and stay behind the head.
Tail Swipe
Quick melee attack if you are too close.
How to dodge: Maintain a medium distance.

Core mechanics

Elemental hydras that roam their respective biomes. Drop Souls of the Titans.

Win strategy

Match your resistance gear to the specific hydra (Fire/Ice/Nature) and aim for high crit DPS.

Best food for this boss

Pick 1 meal from the primary plan. If you’re dying, switch to the backup plan instead of forcing DPS.

View all tier lists →

Primary plan

Top pick
Larva Meat + Golden Puffungi
  • • boss damage: +30%
  • • rarity boost: +1 Tier
Tip: avoid overlapping buffs—pick a focused combo.
Top pick
Larva Meat + Starlight Nautilus
  • • boss damage: +30%
  • • rarity boost: +1 Tier
Tip: avoid overlapping buffs—pick a focused combo.
Top pick
Bomb Pepper + Larva Meat
  • • move speed: +21%
  • • boss damage: +30%
Tip: avoid overlapping buffs—pick a focused combo.
Top pick
Heart Berry + Larva Meat
  • • max health: +25
  • • health regen: +2.2 HP/s
  • • boss damage: +30%
Tip: avoid overlapping buffs—pick a focused combo.

Common mistakes

Read this if you keep failing. It’s usually one of these.

  • • Wrong resistance gear
  • • Low crit damage
  • • Getting hit by breath

Key drops

What you’re actually here for—and what it’s used for.

Soul of the Titan
Used for ultimate gear crafting.
Hydra Scale
High-tier crafting material.

Need golden ingredients faster?

Farming by hand slows down progression. Automate golden crops to power your best food buffs.

Auto-farm guide →

Related

FAQ

What food should I bring to The Hydra Titans (Druidra/Crydra/Pyrdra)?
Bring 1 main plan (damage or survival) plus 1 backup plan. Avoid overlapping buffs—buffs of the same type usually get overwritten by the last meal you eat.
Do food buffs stack in Core Keeper?
Not usually. Buffs of the same type tend to overwrite, so pick a focused combo instead of stacking many similar meals.
How do I farm ingredients faster?
Automate crops. A golden crop farm is the fastest way to remove the cooking grind for endgame buffs.