This modpack is a supposed to replicate 1.8 while also keeping the 1.20.1 features, it also brings some new challenges to the game, such as new vanilla+ mobs, improved villagers, and other things.
Main features added by this pack:
-Improved mob ai: many mobs have gotten better ai in order to make the game feel like when you first played, most of these changes are not too difficult, and dont make mobs overpowered.
-Old combat: the combat from the older jminecraft versions is included in this pack, such as no hit cooldowns, and sword blocking.
-New ores: some new balanced ores have been added.
Miscellaneous changes:
-The nether has been changed back to its old version, with some improvements.
-Dungeons have been upgraded.
-Snow golems have been buffed.