Crafting Bench - Increased damage while leeching VS Storm drinker notable from cluster jewel

anyone tried if this mod works for storm drinker notable:

"0.5% of lightning damage leeched as energy shield"

also, will it still increase my damage if my energy shield is full while I am constantly dealing damage and "leeching"? i.e fighting sirus etc

your sharing is greatly appreciated!

I am trying to decide between this mod or increased damage during flask effect for my glove.

P.S: admin: Please help to close this thread, i will open one in General discussion. thanks