It's simple. Add yourself attacking him. Just a few rules though: -Have a health variable. -Don't be overpowered. -Don't give yourself a spammable heal.
Proper Credit goes to spikeystudio for the original project, Andrew1260 for the remix this was based on, and everyone else who remixed! This is a port to another remix branch. difference is that instead of giving everyone a headstart in the battle, she boosts her power.