Resonance Disc

The Resonance Disc is an item in Risk of Rain 2.

When the holder kills an enemy, they get a stack of for 7 seconds. When they have 4 stacks of charge, the Disc removes all charge and launches itself at an enemy. It pierces enemies as it flies, dealing 300% damage (+300% per stack) to each, before exploding for 1000% damage (+1000% per stack). Finally, the Disc returns to the user, once again piercing all enemies and dealing 300% damage (+300% per stack) along the way.

All these hits have a proc coefficient of 1.0.

Tips

 * Destroying clay pots or explosive barrels will charge the Resonance Disc.
 * However, the Disc can also target and attack them, which can prove fatal if the player is in close proximity to one.
 * Activating the will charge the Resonance Disc.

Trivia

 * The Resonance Disc is the successor to the Laser Turbine from the first Risk of Rain, and is actually referred to as  internally.
 * The Logbook entry even mentions a turbine, which is presumably a Laser Turbine.