Barbarian at Town Hall 8: max level 5. At Town Hall 18 the cap is level 13. Max level per Town Hall: TH3 2, TH4 2, TH5 3, TH6 3, TH7 4, TH8 5, TH9 6, TH10 7, TH11 8, TH12 9, TH13 9, TH14 10, TH15 11, TH16 12, TH17 12, TH18 13.
Tap a Town Hall to open this item there. Dashed: not available at that Town Hall yet.