Haste Spell at Town Hall 18: max level 7. It unlocks at Town Hall 9. Max level per Town Hall: TH9 2, TH10 4, TH11 5, TH12 5, TH13 5, TH14 5, TH15 5, TH16 5, TH17 6, TH18 7.
Tap a Town Hall to open this item there. Dashed: not available at that Town Hall yet.