I'm guessing some or many of you have been hit by a trojan and you froze unable to move, attack, or shield. I'm aware that this is a bug, but I've been hit by a trojan and not only did my knight freeze, it froze permanently until I died (trojan kept hitting me even though I couldn't do anything). Normally I would not care about a short freeze, but I draw the line at a permanent one. I hope this doesn't happen more often.
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See.
This could be fixed.
Just to add something. I saw a zombie charge for a lunge attack and after it charged it zoomed off like a trojan's charge attack which was kind of funny.
It wasn't hit by anything btw.
Submit as bug report.