the void totem
THE VOID TOTEM
This add-on add a new custom totem that protect your life in the void, so, I explain how works:
This addon it's an inspiration of mod Void totem by affehund
Crafting:

Only require:
- Totem of undying.
- Obsidian.
- Ender pearl.
- Feather.
Details:
The feather is used when the player is in the void and appears at the upper limits of the dimension while falling (the player will receive 45 seconds of Feather Falling).
How works
In version 1.2.0 or higher of this add-on, now the totem teleport safety in any dimension:
Features:

- Stack: 64
- Use: Like the totem of undying.
- Protection in the void and teleport safety.
- Craftable: Yes.
- Uncraftable Yes.
You can teleport anywhere using the lodestone block (you teleport to that block):

If you use a lodestone, you can teleport at that block.

When use the void totem with lodestone block effect,
you will be teleported at that block, and work anywhere

You'll know where are you teleported and that dimension by your item in hand
Code:
Are you free to use all code, only give me credits and use the license :)
Here open source code: https://github.com/juan3178316/minecraft-totems-recreation
Installation:

You can install this addon
Without toggle any experimental option.