Material needed to Summon a Special Monthly Time-Space Guest found at the Atelier.
- How to Acquire:
- Selling S.Rare ★★★★★ cards give 5x Shards (Dorm - Selling Sidians)
- Selling Rare+ ★★★★ cards give 2x Shards
- Changing 300x Time-Space Powder give 1x Shard (Atelier - Basic Recipes)
- Here's a guide to help gather more.