You can use the pouch to store extra keys, locks, coins, and gems. You can use the Key Ring to hold multiple keys and it will act like a key, selecting the correct one from its inventory for the lock.
Treasure2 can be used as a stand-alone mod, however, there are only so many vanilla items to use as good loot. Treasure2 has been designed to use datapacks to populate treasure chest loot tables. Here is a Twilight Forest datapack to use in Treasure2:
treasure2-twilight-forest-datapack_v1.0.0.zip
You can examine it as an example of how to setup any datapack for Treasure2.
The answer is Yes. Feel free to use Treasure2 or any of my mods in your modpacks.
