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