Copy Spell: in battle, if a player played a Spell card that said 1 serf or warrior could be removed: Can a player not involved in the battle play a Copy Spell to remove a Warrior?
Copy Spell: in battle, if a player played a Spell card that said 1 serf or warrior could be removed: Can a player not involved in the battle play a Copy Spell to remove a Warrior?
No
Combat spells only affect the battle they are being used in. In your specific case, the player outside the battle would not be able to do what they did.