Warbanner

The Warbanner is a returning item in Risk of Rain 2. Upon leveling up, or when the respective Teleporter Event's boss appears, the player drops a banner onto the ground which produces a yellow bubble that increases attack speed and movement speed by 30% while inside it's radius. In multiplayer, upon starting the Teleporter Event, ALL players with a banner will drop one at their feet.

The position of the banner is always placed at the player's feet, and is NOT affected by gravity. This includes teleport event activation, so it is better to be located near the teleporter when the boss spawns to maximise its benefit.