None. Jump is a special combat art available only when the Dragon Mage transforms into Dragon Form. Therefore modification points cannot be used on it.
Skills and Attributes
No skills or attributes affect the range, regeneration, or execution speed of Jump. These values only improve automatically as character level and Dragon Form CA level increases.
Useful to escape enemies and for shortcuts across rivers and between elevations.
Jump cannot be placed into a combo, because the Dragon Mage loses the ability to use combos when transformed.
Pros and Cons