Message
The left-hand side option of the Divine Temple costs 10 Pact Shards, and duplicating a spell with such an upgrade adds 5 Pact Shards. The options are: Seekstone, making a spell Intrinsic (always in your opening hand); Truestone, giving a spell +10 damage and Piercing (ignores armor and spell shield); and Purgestone, granting a spell Purge and -1 cost.