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GUARDIAN BOSS · Valguero

Grendel

Valguero Ascended’s Guardian Boss. Grendel replaces the old three-boss Valguero arena with a multi-phase fight built around exposing and damaging the cloaked boss.

Encounter: Grendel Arena Verified
GAMMA

Gamma

Player level 70

Grendel Portal requirements

Artifact of the Devourer×1
Artifact of the Skylord×1
Artifact of the Pack×1
Allosaurus Brain×5
Argentavis Talon×5
Sauropod Vertebra×5
Sarcosuchus Skin×5
Titanoboa Venom×5

Strategy

Watch for the arena’s active fire/cauldron mechanic to expose Grendel. Keep your army close enough to capitalize on vulnerability windows and be ready for heavy bleed pressure.

Tek / engram unlocks

Behemoth Tek GateBehemoth Tek GatewayMegalodon Tek SaddleRex Tek SaddleTapejara Tek SaddleTek GauntletsTek GeneratorTek HatchframeTek ReplicatorTek TrapdoorTek TroughTek WindowTek Windowframe
BETA

Beta

Player level 80

Grendel Portal requirements

Artifact of the Cunning×1
Artifact of the Strong×1
Artifact of the Immune×1
Allosaurus Brain×10
Argentavis Talon×8
Sauropod Vertebra×8
Sarcosuchus Skin×8
Titanoboa Venom×5
Tyrannosaurus Arm×10

Strategy

Healing becomes increasingly important because Grendel and its adds can inflict sustained bleed pressure. High-quality saddles and a disciplined army are strongly recommended.

Tek / engram unlocks

Tek Dinosaur GateTek Dinosaur GatewayTek DoorTek DoorframeTek ForcefieldTek LeggingsTek RifleTek TransmitterVacuum Compartment
ALPHA

Alpha

Player level 90

Grendel Portal requirements

Artifact of the Destroyer×1
Artifact of the Crag×1
Artifact of the Gatekeeper×1
Artifact of the Brute×1
Allosaurus Brain×15
Argentavis Talon×15
Giganotosaurus Heart×2
Sarcosuchus Skin×10
Titanoboa Venom×10
Tyrannosaurus Arm×15

Strategy

Alpha combines powerful adds, bleed and short damage windows. Bring a top-tier bred army, strong saddles and reliable healing.

Tek / engram unlocks

Cloning ChamberTek ChestpieceTek GrenadeTek TeleporterVacuum Compartment Moonpool
ENGRAM NOTE

Grendel now carries Valguero’s boss Tek progression; higher difficulties include the lower-tier unlocks.

Higher difficulties include the Tek / engram unlocks from lower difficulties unless the live game specifically handles that encounter differently.