I found this script and think it's useful to who want a real-time-battle-system
Script:
http://www.rmxpunlimited.net/forums/topic/1561-real-time-battle-system/ (http://www.rmxpunlimited.net/forums/topic/1561-real-time-battle-system/)
Note: Ididn't test or try it and doesn't know what does quitely