This plugin was originally built and tested on 1.20 but should work on 1.21.

Features:

• Obtain Mob / Player material head on kill.
• Place and break heads without dupe and texture missing.
• Give command for admins to obtain a head immediately.
• Fully Customized.

What is customizable:

• Mob head texture (Place and break can update the texture)
• Head name and lore (Support usage of %entity%, %player%, %time%)
• Define the drop chance of every single mob and of players
• Define the extra or multiplier chance based on weapon and enchantment (Not only Looting!)
• Head obtain messages.

Security:

• Placed head data is stored in config folder for audit.
• Configurable placed head protection from Water/Lava/Explosion/Piston.
• Enable or disable head place and break in config.
• Fallback mob texture if the texture is undefined.

If you encounter any issue, please contact me on Discord first.