Please consider adding "legacy" Flail type weapon with the old mechanics from 1.3 and before. A lot of adventure maps used the mechanic for some really cool puzzles, which are no longer working as intended.
Here's a thread I made a few years ago with a video example as well: Weapons & Equip - Flail Item for Puzzle Maps
Here's a thread I made a few years ago with a video example as well: Weapons & Equip - Flail Item for Puzzle Maps
3. Shroomite because Shovel Knight Blue
4. Feathers are blue so Blue Jay? Since that bird already exists?
5. Ghost Umbrella? Ghosts can straight up fly so not sure on your thought process.
6. Make Arctic Diving Gear relevant again.
7. No.