Mine

        if (target instanceof L2PcInstance )
        {
        	if (((L2PcInstance) _actor).getKarma() > 0 && (_actor.getLevel() - target.getLevel()) >=10 && ((L2PlayableInstance) target).getProtectionBlessing() && !(target.isInsideZone(ZONE_PVP)))
        	{
        		//If attacker have karma and have level >= 10 than his target and target have Newbie Protection Buff, 
        		clientActionFailed(); 
        		return;
        	}
        }