HAha I made that misstake the first few times too.
just found out Rin is great vs weapon rogue. To sum it up in late game fromturn 10 you just hide behind your massive and numberous taunt and pkay two seal per turn. He can swisng with his awesome weapon at my taunt wall but i can finish all the seal in 3 turn lolz . Afterthat it is GG,