There is a quest titled “In Darkness, Found” located in Korthia (The Maw) at /way 64.64 25.31 that unlocks access to the new Torghast Tech Tree and grants The Box of Many Things achievement.

• In Darkness, Found
• The Box of Many Things
• Tower Knowledge

Torghast Tech Tree

The Torghast Tech Tree is a new UI accessed from The Box of Many Things, floating in the Torghast antechamber — near the entrance. You can upgrade down the tech tree with Tower Knowledge — rewarded from performing well in Torghast.

• Blessing of the Ancients (Rank 0/3):
Begin each run with 1 Blessing.
(20 Tower Knowledge)
• Empowered Swiftness (Rank 0/2):
Becoming Empowered increases movement speed by an additional 5% and haste by an additional 5%.
(20 Tower Knowledge)
• Efficient Looter:
Automatically loot enemies, excluding Torghast Bosses.
(60 Tower Knowledge)
• Feed From Torment (Rank 0/2):
Begin each run with 1 fewer Torment.
(40 Tower Knowledge, Requirement: Must spend 80 more Tower Knowlege to unlock)
• Empowered Preseverance (Rank 0/2):
Empowered lasts 25% longer.
(40 Tower Knowledge, Requirement: Must spend 80 more Tower Knowlege to unlock)
• Discovered Cache (Rank 0/3):
A selection of up to 2 rare Anima Powers will be available for purchase from Broker merchants.
(20 Tower Knowledge, Requirement: Must spend 80 more Tower Knowlege to unlock)
• Undeterred (Rank 0/5):
You take 5% reduced damage from Bosses.
(20 Tower Knowledge, Requirement: Must spend 230 more Tower Knowlege to unlock)
• The Adamant Vaults :
Achieving a Flawless Torghast run allows you and your party to ascent to the Adamant Vaults. Layers 9 or above only.
(100 Tower Knowledge, Requirement: Must spend 230 more Tower Knowlege to unlock)
• Inexplicable Power (Rank 0/5):
When you engage a Boss, your damage is increased by 5% for 20 sec.
(20 Tower Knowledge, Requirement: Must spend 230 more Tower Knowlege to unlock)
• Enduring Souls:
Soul Remnants additionally grant you 1% Stamina.
(50 Tower Knowledge, Requirement: Must spend 480 more Tower Knowlege to unlock)
• Good Reflexes (Rank 0/2):
You take 20% reduced damage from traps.
(30 Tower Knowledge, Requirement: Must spend 480 more Tower Knowlege to unlock)
• Death Denied (Rank 0/3):
When you die, there is a 5% chance that it will not count against you.
(20 Tower Knowledge, Requirement: Must spend 480 more Tower Knowlege to unlock)
• Unflinching (Rank 0/5):
You take 5% reduced damage from Elites.
(20 Tower Knowledge, Requirement: Must spend 980 more Tower Knowlege to unlock)
• Anima Plunderer (Rank 0/3):
When you or a party member kills 10 enemies, an Anima Cell drops.
(50 Tower Knowledge, Requirement: Must spend 980 more Tower Knowlege to unlock)
• Elite Slayer (Rank 0/2):
Elites award 20% additional value to the Empowered bar.
(40 Tower Knowledge, Requirement: Must spend 980 more Tower Knowlege to unlock)
• Meddle With Fate (Rank 0/3):
Up to 1 time per run, you may reject an Anima Power selection and obtain a replacement set of choices.
(40 Tower Knowledge, Requirement: Must spend 1980 more Tower Knowlege to unlock)
• Empowered Nova:
While Empowered, your damage has a very high chance to cause an explosion for 5,207 Shadow damage to all nearby targets.
(250 Tower Knowledge, Requirement: Must spend 1980 more Tower Knowlege to unlock)