During a duel combat, if you land a successful attack with a weapon, you can forgo your bonus action to start a combo or a combination of attack techniques culminating in a giant blow.

When you start a combo, describe the cinematic series of events you want to happen to your DM. Things like:

• I land two additional slices and kick him prone to the ground

• I stuff two bombs into his mouth, turn away and detonate them

Depending on what you describe the DM will give an appropriate DC for a combo skill check. Example 1 would probably be a DC 15 while the second example would be DC 25.

The effects of a combo can vary from getting to roll extra damage die or having a creature fall prone or unconcious. It’s up to dM interpretation.