Context

• Deathchest
• DeadChest v4.21.1
• Forge 1.20.1
• Mohist forge

Describe the bug
When a player is killed it will drop the armor and offhand slots on the ground and these items will also be put in the chest.
this is a duplication glitch.

To Reproduce
Steps to reproduce the behavior:

1. Put any item in you offhand.
2. /kill yourself
3. you offhand will drop
4. when you then get the chest and pick you offhand item from the ground you have duplicated your offhand item.

Expected behavior
your offhand and armor slots shouldnt drop on the ground and only be put in the chest.

I could not replicate this. Maybe a conflict with a plugin you have? Tested on 1.21.1