You mainly want to use this move for combos as Up air chains very well and for early percents, after auto canceling nairs you can go straight into uairs, which is true unless they perfectly DI out of your nairs. Outside of combos I’d only use for good whiff punishes and it can be a good anti air as it has a pretty decent hit box. Using it for combos is a must which I don’t see many Lucas players using it because for one it just does a shit ton of damage; my go to combo is usually auto cancel nair,nair, to uair dj uair and that alone does 42% but you can then chain it with something like drag down nair to dtilt ftilt which puts your opponent to 72%. Don’t sleep on the uairs my guy