Opened with The Hunger's Pact, spending Arcane Ink on every node.
Nodes
- Mana Boost — the tree's root node; raises max mana on every Magic Lens you own.
- Cost Reduction / Cooldown Reduction — cut spell mana costs and cooldowns, each up to 25% at max level.
- Pocket Dimension / Pocket Dimension Expansion — unlocks the Pocket Dimension spell (see Spells), then grows your personal room from 9x9 up to 15x15.
- Storage System / Storage Network Expansion — unlocks crafting Living Chests and Living Terminals, then raises the per-network storage cap above the base 15.
- Arcane Assembler / Assembler Speed / Assembler Fuel Efficiency — unlocks crafting the Arcane Assembler, then speeds up its crafting and stretches its fuel further.
- Overload Ritual / Warped Attunement — unlocks the ritual that opens a portal to the Warped Hollow (see Dungeon and Bosses), then — after Broken Vessel's first defeat — lowers how full a storage network needs to be to open further portals.