I find out this bug when a GM (A VERY NICE GM X3) buffed me. That time I was a mage, when he buffed me, all my skills(mage, Ice&Lightning ) deals no damage to all monsters around me..... BUT when i deactivate the buff HAM STRING (bowmaster's skill) everything became normal again!(all my attack deals damage again and monster can be killed by me) Is this a bug? o.0
NightMS Season 2 [v62]