Dio's Best Friend

Dio's Best Friend is a item in Risk of Rain that revives the player once upon death, refilling 40% of their HP.

Trivia
This item has a delivery date of 1993, which is drastically different to most other items in game.

The name Dio is a reference to Duncan Drummond's cat. He is one of the developers of Risk Of Rain. This can be found under the "Team Section" on the official site.