How to Beat Grendel - ARK: Valguero Ascended New Boss Guide

Grendel is ARK: Valguero Ascended’s brand new endgame boss. It replaces the old triple-boss arena and introduces a more tactical, phased fight. If you want to clear Gamma, Beta, or Alpha, here’s everything you need to know.

What Makes Grendel Different

Grendel isn’t about who has the biggest dinos - it’s about timing, positioning, and managing interruptions. The fight includes phases where Grendel is immune and untargetable, summoning minions and using bleed, cloaking, and fog mechanics. You’ll need to activate fire beacons mid-battle to force it into a damageable state.

Best Team & Dino Composition

Use a balanced, resilient lineup. Here’s a strong setup:

Yutyrannus (ride best) - to keep roars active.
Rex / Therizino / High-HP tank dinos - your frontline.
Deinonychus riders - for bleed stacking and flanks.
Daeodon or other healing mounts - to pulse heals.
Use high-armor saddles (80+ or better) especially for Beta/Alpha.

Make sure your dinos are well-fed, imprinted, and your saddles are in solid shape before the battle.

Phase Guide & Strategy

Here’s how the fight flows, and how you should respond:

Phase	Key Actions	Notes
Phase 1 (Untargetable)	Grendel will jump and slam, dealing heavy bleed but can’t be damaged	Hold your ground, heal, and avoid overextending
Beacon Activation	Light the fire beacon when it’s highlighted	Doing so causes Grendel to appear and become vulnerable briefly
Damage Window	Attack aggressively while vulnerable	Focus full DPS, but keep distance on big telegraphs
Minion Waves	Deinonychus / vultures spawn during phases	Quickly kill them to avoid bleed stacking and distraction
Cloak / Fog Periods	Grendel will cloak near you and make damage stop again	Pull back, regroup, keep your army close, then relight beacon

Cycle this until Grendel’s health drops to zero. On Alpha, its HP is significantly higher, so manage your resources carefully.

Key Tips to Win Consistently

Clear minions fast. They’ll bleed your dinos out quickly otherwise.
Beacons matter the most. You only get a short window to hit Grendel.
Don’t overextend. When Grendel is untargetable - stop pushing, heal, and reposition.
Use bleed-resistance gear or buffs. Many of Grendel’s attacks inflict bleed.
Spread your team. A tight cluster is vulnerable to sweeping attacks.
Watch for fog clouds. During these moments, visibility drops - be cautious of movement and cues.

Rewards & Loot

Defeating Grendel gives you the new boss trophy/flag for your base.
On Alpha, you receive 520 Element (standard for Valguero end arena).
All Tek unlocks tied to Valguero’s completion now link to Grendel’s defeat.

Grendel is tough, but entirely beatable with preparation and coordination. Use your strongest dinos wisely, watch phases, and sync your team. Good luck, may your base fly high with the new trophy in hand.