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