Are you a fan of Chrono Magic? Or do you just think Zasalamel is cool? You have good taste, either way, and you should be rewarded with some SoulCalibur VI combos. Scallywag 93 and the rest of the Zasalamel FGC Discord have you covered:
Outside of damage, a big part of learning Zasalamel combos is applying your Time Orbs. and cashing them out for big damage in specific confirms. The combo guide above shows the various ways you can apply this unique ability, and some of the truly absurd combo options he gets once he has a few stacks built up.
Source: Scallywag 93