???'s Only Friend

???'s Only Friend is an unlockable passive item.

Effects

 * Gives Isaac a controllable follower that damages enemies on touch, dealing 2.5 damage per tick. Works similar to and.

Interactions

 * : Familiar is larger and does double damage.
 * : Familiar is occasionally connected to Isaac via electricity.

Seeds
HC7F QZAT (Treasure Room adjacent to spawn) J6S4 VMQM (Treasure Room adjacent to spawn) 6CQZ CL2Y (Treasure Room adjacent to spawn) Y4FW NYCX (First floor treasure room) 6RS1 FT1H (First Golden Treasure Room)