Supports Slam Skills you use yourself. Supported Skills gain multiple independent chances to cause Aftershocks, but deal less Damage.
Supported Skills have 30% chance to cause an additional Aftershock
Supported Skills have 15% chance to cause two additional Aftershocks
Supported Skills have 10% chance to cause three additional Aftershocks
Supported Skills deal 35% less Damage
Place into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.