If he has a Gran Kain Necklace Lv2 or higher, he can.
Gran Kain's Necklace - Stage 2
333
MP + 114, Dark Resistance + 50, STR + 3, INT + 3, CON + 3, Skill Cooldown -11%, Damage Reflection + 6%, P. Atk. + 16%, M. Atk. + 11%, Skill Power + 17%, Max HP + 3%, Max MP + 5% Resistance to the following abnormal statuses: Stun + 26%, Aggression + 26%, Windstorm + 26%, Banishment + 26%, Disarm + 16%, Sleep + 16%, Active Skill: When used, ignores target's invincibility for 7 seconds.