GUARDIAN BOSS · Astraeos
Hydraskos the Unbroken
A five-headed Hydra boss added in the 2026 Astraeos Mega Update. The fight changes as heads are removed, rewarding coordinated target focus.
Encounter: Hydraskos Arena / Pyranthos
Verified
Hydraskos summon requirements
Artifact of the Cunning×1
Artifact of the Strong×1
Artifact of the Skylord×1
Artifact of the Immune×1
Strategy
Coordinate target focus across the Hydra’s heads and avoid spreading damage inefficiently.
Hydraskos summon requirements
Artifact of the Cunning×1
Artifact of the Strong×1
Artifact of the Skylord×1
Artifact of the Immune×1
Allosaurus Brain×5
Basilosaurus Blubber×5
Giganotosaurus Heart×1
Tusoteuthis Tentacle×5
Tyrannosaurus Arm×5
Yutyrannus Lungs×5
Strategy
Bring a fully prepared endgame army and coordinate head kills so the fight transitions cleanly.
Hydraskos summon requirements
Artifact of the Cunning×1
Artifact of the Strong×1
Artifact of the Skylord×1
Artifact of the Immune×1
Allosaurus Brain×10
Basilosaurus Blubber×10
Giganotosaurus Heart×2
Tusoteuthis Tentacle×10
Tyrannosaurus Arm×15
Yutyrannus Lungs×10
Strategy
Alpha emphasizes teamwork, sustained firepower and controlled head targeting. Enter with top-end saddles, stats and consumables.
ENGRAM NOTEHydraskos grants Tek progression, but the complete 2026 tier-by-tier Tekgram matrix is still being individually verified before publication.