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The Isle's Evrima Branch Gets Kentrosaurus, Skin Overhaul, and Sweeping Fixes in Patch 0.21.720

A major update to The Isle's Evrima branch introduces a fully mechanicked Kentrosaurus alongside UI, animation, and ecosystem changes drawn from recent Hordetest sessions.

Distilled Jul 7, 2026·1 min read·source confidence91%
The Isle

Patch 0.21.720 is now live on The Isle's Evrima Public Branch, following the conclusion of a Hordetest period. Official servers were taken down to facilitate the update; players unable to see the download are advised to restart the Steam client.

What Changed

Kentrosaurus arrives as the headline addition, with a dedicated moveset and passive:

  • Hold RMB to charge a Power Swing; hold RMB + LMB to release it
  • Passive Reflection Damage punishes attackers who strike the tail or shoulder spikes
  • Ctrl toggles a Defensive Stance, granting increased reflection damage, stability, and spike-based ability blocking
  • A dedicated defense tail attack is available while Defensive Stance is active

World and visual updates:

  • Redwoods and Mangroves locations added (marked work-in-progress) with supporting migration zones
  • Additional human locations added
  • Updated eye shader, gore textures, and HUD/menu UI icons
  • Skin System updated with additional pattern and theme options, with more expansions noted for future updates
  • Rain particles temporarily removed while a known issue is resolved; weather itself remains functional

Creature and gameplay changes:

  • Pteranodon receives updated terrestrial animations, speeds, adult weight set to 90 kg, and improved landing angle tolerance
  • Spearfishing default keybind moved to G
  • Resting regeneration rates updated across all species
  • Sea turtle added to deinosuchus' diet
  • "Traumatic Thrombosis" mutation removed for future reintegration
  • Eggs now auto-hatch if players do not manually hatch after appearing

Fixes include: pin retaliation attacks, foliage collision for latched pouncers, the missing swallow warning, fracture interactions with the Glass Bones mutation, crush collision hitbox scaling, envenomation visuals for dilophosaurus and troodon targets, and general weather issues.

For players on Evrima, the patch represents a meaningful expansion of both the playable roster and the game's underlying systems.

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