Badges update automatically and link to the resource pack page on MineUniverse.
I AM AWARE THE MOD HAS SINCE UPDATED AND ISN'T COMPATIBLE WITH THIS RESOURCE PACK. DOWNGRADE TO 1.0.3 OF THE MOD FOR IT TO WORK FOR THE TIME BEING
FOR PEOPLE DOWNLOADING THE PACK EXTERNALLY (E.G. CurseForge App, Prism Launcher, etc.) please download the pack manually or else it'll just download the most recent one uploaded (Negative Soul 7 - Despair (Soulless) as of writing this. This is meant to be multi-choice, so please go into the Files tab to make your choice.
DO NOT USE THE DOWNLOAD BUTTON ON THE MAIN PAGE EITHER, USE THE FILES TAB
I made this when I initially made the request for the Undertale Death Screen mod. I have decided to finally release them for everyone to use and enjoy, with a few bonus goodies!
This can be used without the mod as well, as this only affects the hearts in the health bar and the hearts in the UT death animation.
Here's what's available:
Additionally, as an extra inclusion are fan-made soul variants that come from from this image by Chabilulu

With these, there's now the outer inbetween souls, and Negative souls
Inbetween:
Negative: