iron's spellbooks arcane essence blocks

This Mod Requires Iron's Spells And SpellBooks Tired of having a bazillion stack of arcane essence? Introducing: The Essence Sack, Arcane Essence Block and Arcan Ingot Block:    CRAFTS: Arcane Essence Sack can be Crafted with 9 Arcane Essence, and can be uncrafted into 9 Arcane Essence. Arcane Essence Block can be crafted by smelting 1 Arcane Essence Sack and can be uncrafted into 9 Arcane Essence Arcane Ingot Block can be Crafted with 9 Arcane Ingots and uncrafted into 9 Arcane Ingots