Archer Puppet at Town Hall 18: max level 17. It unlocks at Town Hall 8. Max level per Town Hall: TH8 8, TH9 8, TH10 11, TH11 11, TH12 14, TH13 14, TH14 17, TH15 17, TH16 17, TH17 17, TH18 17.
Tap a Town Hall to open this item there. Dashed: not available at that Town Hall yet.