Wisehound's Shackles
If the active skill does not deal damage, Corrosion damage is increased by 20% for 3 turns. Each time an extra active skill is used to make an attack, Corrosion damage is increased by 5% for 1 turn, to a maximum increase of 15%. After each attack made on the current turn, the damage of the next skill is increased by 4%, to a maximum increase of 16%.