The brain can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature is protected by a mind blank spell.

The brain has advantage on saving throws against spells and other magic effects.

The brain doesn't require air, food, drink, or sleep.

As you don't make sounds when moving (expect by bumping into walls or splashing the liquid inside), you are hard to notice in the dark, you gain +10 bonus on stealth check when you are in the dark.