there is a way to get your back infront of a mob, just run a lil bit so that the mob may follow you, attacking mobs are allways in autofollow on you they ll follow you and stay behind of you just the right position to take advance of the mortal / deadly blow chance.
the server doesnt consider your and mobs position but it uses the angle, an its the same angle if you'r behind the mob or the mob is behind of you between you an the mob.
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