Trench Slug
Source: Pet Battle. If you are diving into the deeps and one of these attaches itself to your leg, don't panic -- they're relatively harmless. Critter type. For easy (no fighting) solo collection in Shadowlands: Use a stealth character Go to Boralus/Dazar, find Kiku (in Snug Harbor Inn for Boralus).
Trench Slug is a battle pet found as a secondary pet in The Eternal Palace raid, often paired with other deep-sea creatures.
Guide awaiting review
Enter Eternal Palace raid
Access The Eternal Palace raid in Raid Finder mode and clear the first wing, The Grand Reception, where Trench Slug appears alongside Blackchasm Crawler and Chitterspine Deepstalker.
Look for Trench Slug as secondary pet
Trench Slug typically appears as a backline pet accompanying a Blackchasm Crawler, particularly on the ramp leading toward the Ashvane boss encounter.
Capture the pet
Defeat the primary pet to engage Trench Slug and capture it during battle.
