So I don't know how many people have noticed that the Evicerator takes 4AP to attack with, making it your entire turn. Since there is no charge attack that means moving into base to base then waiting to attack. This might not seem like an issue until you realise that no one is going to wait to get hit by that thing so anyone sane here will make 1 attack with a sword or something and then use 3 AP to disengage. Now you have to move again taking at least 1AP so now you are in melee again but can't attack, so what do you do? Well all you can really do is kick them at that point.
This means that you can kick them 3 times before they can disengage and they can't wait in combat or risk an Eviscerator attack. So you get 3 kicks to every stab or 2 and a saved AP for evading.
And thus the Eviscerator was invented to help kick boxers feel useful in 41st millennium war zones.
Another example of the screwy ROA mechanics in this game.