User blog comment:Jaimini626/SDA - and that smile/@comment-4846184-20120911143055/@comment-4708535-20120911144947

haki being like iron, its Coa haki is more like a wall ( or force-feild not iron )

i think sda is some kind of weapon too, but i dont think it needs ceaser's power. I think its more like a energy source used for running the lab, but if used improperly can become something really dangerous