Error
gamestates/user_turn.lua:39: gamestates/user_turn.lua:206: attempt to index local 'card' (a nil value)
Traceback
[C]: in function 'assert'
gamestates/user_turn.lua:39: in function '_startTask'
gamestates/user_turn.lua:99: in function 'update'
main.lua:99: in function 'update'
[C]: in function 'xpcall'
Maybe related to trying to use chain energy while an attack animation was still finishing.