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