Healing Spell at Town Hall 13: max level 8. At Town Hall 18 the cap is level 12. It unlocks at Town Hall 6. Max level per Town Hall: TH6 3, TH7 4, TH8 5, TH9 6, TH10 7, TH11 7, TH12 7, TH13 8, TH14 8, TH15 9, TH16 10, TH17 11, TH18 12.
Tap a Town Hall to open this item there. Dashed: not available at that Town Hall yet.