Board Thread:General Discussion/@comment-47.32.131.248-20170219072731/@comment-30549602-20170219081732

They will come in handy, once you get the hang of the game. There is a section on summoning in this wiki. Summoning is not straightforward, but when the game requires you to solve a puzzle with a certain anomaly, you can use them for that. Save them for now, they are valuable.