Fabric 1.21.11 Mace Mod with these features:
Single craftable mace — only one mace can exist at a time
Crafting announcement — when crafted:
Play Ender Dragon death sound globally
Announce in chat: "The mace has been crafted. The wielder will remain unknown till he reveals himself"
Crafting status command — /mace status shows if mace is craftable or not
Destruction resets crafting — if the mace is destroyed, it becomes craftable again
Ender chest death drop — if the mace owner dies with mace in ender chest, it drops into the world (even though ender chest normally preserves items)
Stashing exemption — mace in ender chest doesn't count as destroyed