How to decrease p2 power

[Demongorne]

I would like to have that when p1 goes in start state p2 powerbar goes down of certain amount of power

[Cyanide]

You mean when p1 taunts p2 loses power? Impossible without hitting them in some way shape or form. Unless in a full game. Then you can code into EVERY character a poweradd in statedef -2 that reduces power when this character taunts.

Kinda meh outside of a full game though, unless you code it into everyone.

[Demongorne]

i see but can you show me a pattern, do you know the game art of fighting the players do this when p1 press start button p2 power went down

it works! 

[Cyanide]

Yeah, but art of fighting if done in mugen is a full game, or if it's the actual game it's not mugen and doesn't rely on any of its rules. Option 1 is of course ugly, make the state hit player2 and include

givepower = -30,-30

or something on the hitdef.

Option 2 is friendlier but more work. In every character at the bottom of the .cmd put this

[State -1, Drain]
type = poweradd
triggerall = numenemy
trigger1 = enemy, stateno = 195
trigger1 = enemy, time = 0
value = -30

And i'm GUESSING that 195 is globally a taunt state. It might not be. people may have used something else, hence the full game side of things.