Frenzy crystals are a material that you get from fighting 'frenzied' monsters in Monster Hunter Wilds.To find 'frenzied' monsters, you need to progress to the Chapter 4-2 quest, 'Lurking Shadows'.Frenzy crystals can be obtained as a drop from 'frenzied' monsters or as a reward after defeating them.Frenzy crystals are used for crafting high-rank weapons and armor in Monster Hunter Wilds.