Runes

 are items that are found in dungeons and lost on death.

Runes are specific to each character, and to each one of their attacks/abilities. For instance Runes that apply to one ability will not apply to another. The player can hold a single Rune for each attack/ability they have.

Runes have a durability and will gradually wear out as the player uses an attack/ability.

Scourging Whip
Kevin's Scourging Knives
 * Kevin releases Fan of Knives during Kevin's Scourging Whip

Arcane Strap
 * Scourging Whip leaves a pool of energy that damages enemies

Explosive Shot
Vortex Shot
 * Explosive Shot pulls enemies towards the center of it's area of effect

Decoy
??? ???
 * Decoy has more health
 * Decoy does returns thorns damage to enemies