Youtube Duel chat-game with https://extensions.streamer.bot/t/youtube-points-system-core/223 as it's base, use:
!duelamount to set the duel amount. You will not be able to set an amount for more points than you currently have. Instead duel amount will be set to your current points.
!duel [targetuser] to start,
!accept to start the duel. If you do not have enough points the duel will end.
!deny to cancel duel.
Duel will end automatically in two minutes if there is no response from the target.