Water V and Hydrohelix on Ironclad Smiter after Ballistic Kick. SCH/RDM HQ Lv 51 Staff. He goes down quickly after that if you manage to lock him into stayingin Ballistic Kick mode and nuking and kiting water element. He sure was stubborn dropping SCH seals
Hence why I explained the strategy. Hint: After Ballistic Kick. And it's 1.5x dmg, which is why it works effectively. Also, it has to be Water element; other element will get completely resisted.