Ok, this is alpha version of plugin for ESF that I'm writing. For now it only works in ESF Beta 1.1, when I found out how to change models in 1.2 I will upgrade it. Nothing much to say, except an outline for next versions:
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Things to do:
-make two person do fusion dance
-make that random person controls fused charachter
-change in powerlevel when fuse
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Note that this version is just modelchange and health change, with nifty spark from you.
Will make it much better when I get time.