Jump Spell at Town Hall 9: max level 2. At Town Hall 18 the cap is level 5. It unlocks at Town Hall 9. Max level per Town Hall: TH9 2, TH10 3, TH11 3, TH12 3, TH13 4, TH14 4, TH15 5, TH16 5, TH17 5, TH18 5.
Tap a Town Hall to open this item there. Dashed: not available at that Town Hall yet.