Supernova

Cosmic Essence: a crafting ingredient used for magical practices, collected with a stargazer

Cosmic Catalyst: the ingredient for cosmerite; a new armour set slightly better than netherite

Old page: a crafting ingredient for spellbooks

Spellbook(s): a useful item with the ability to cast many different spells

Nephrite: a gem found in mountains, used to make jade

Jadeite: a gem found in geodes in the end, used to make jade

Jade: a bright green decorative block that is planned to get uses in the future

Topaz (Tools and Armor): Slightly weaker than diamond, but with the same mining level as diamond

Cosmerite (Tools and armor): An improvement for netherite armor

Nephrite Block: A dark green block with black stipes

Topaz Block: A golden-orange block with an emerald texture

Jadeite: A bright lime block with a texture similar to amethyst