Here is my lil suggestion....
If your a Runner (you know who's you are), I propose, for those people that run from the arena into a shop to stop fight should get a message,
Error: unable to zone while in fight.
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Ok, i know someone will add to this. so here is my answer on this
Q- But what if i get ganked?
A- In RL you get jumped, you get jumped. You run they follow, you come back outside, they start again. You know what i mean?
Take it! if you get ganked, gank back!, they have a team, then you go get your friends