Earning Heptarachs but no sign of how to spend them

[patrickdugan]

Am in the pre-abyss run up, doing about 1% of the hypercube req. for the Abyss upgrade per day. Have been earning Heptarachs for a bit now but no sign of what activates the ability to spend them on crafted Heptarachs to advance or accelerate. Some UX to bridge the player through this phase and give an indication of when crafting will activate, would be appreciated.