Death by ring-dip (with a twist):
Start all minutes with a 5-second hold at the bottom of a ring dip. In minute 1, perform 1 ring dip. In minute 2, perform 2 ring dips, etc. End all minutes with a 5-second hold at the top of a ring dip (support). Continue as long as you are able.
Sc: 15 reps
Cap: 25 minutes