Sasuke doesn't hav EMS since we don't know i'ts abilities yet. He has Susano'o, Kirin, Amateratsu, Weak Tsukuyomi, Chidori etc whereas Orochimaru has Edo Tensei, 3 Cancerous summoning(don't know what it's calld), Snake summoning etc. At Mid Range with intent 2 kill. Who wns n why? 4 me it's Sasuke cos he has tsukuyomi, amteratsu n kirin. I don't see d need 4 him 2 use Susano'o