Greater and Grand Tartaric Gem

The last 2 sizes of the Tartaric Gems can hold 4096 and 16,384, in order to craft the Greater Tartaric gem you will need to combine the previous tier with a Demonic Slate, Blood Shard and a Will Crystal in a hellfire Forge, this process will require 1,000Will and consumes 100 will.

These are the last 2 tiers of gems and 16,384 is the most amount of Will you can carry in one gem. Filling these gems with all 5 types of Will.

Remember Sentient weapons, tools and armor will latch on the Will of which you have the highest amount of in your inventory.