Memory Cube
Quest reward from Cubic Coalescing.
The Memory Cube is a Legion toy obtained by completing a short questline that begins with the 
Mysterious Cube, a personal RNG drop from Chronomatic Anomaly in the Nighthold.
Guide awaiting review
Loot Mysterious Cube
Enter the Nighthold and defeat Chronomatic Anomaly. The Mysterious Cube is not a guaranteed drop — it is a personal RNG drop, and has been confirmed to drop on both Normal and LFR difficulties.
Turn In at Dalaran
Take the Mysterious Cube to the Archaeology Trainer in Dalaran to accept the first quest, Cubic Conundrum.
Collect 300 Ancient Mana
Gather 300 Ancient Mana and return to the Archaeology Trainer in Dalaran to complete Cubic Conundrum and accept the follow-up quest, Cubic Currents.
Loot Mana Focus in Karazhan
Enter Return to Karazhan and defeat the Mana Devourer to loot the Mana Focus, completing the quest Cubic Cynosure.
Return to Dalaran
Return to the Archaeology Trainer in Dalaran to hand in Cubic Cynosure and receive the final quest, Cubic Coalescing.
Activate the Cube Upstairs
Go upstairs in the designated Dalaran location and activate the cube to complete Cubic Coalescing, which rewards the Memory Cube toy.
