Fungal Flexin' in the Ancient Forest is an optional quest in Monster Hunter World that tasks players with delivering 20 Gourmet Shroomcaps to the Meowscular Chef. While the quest indicates that the relevant ingredient can be found in the Ancient Forest, it does not reveal exactly where fans should look for it. Fortunately, it is not very difficult to collect Gourmet Shroomcaps and complete Monster Hunter World's Fungal Flexin' in the Ancient Forest quest, and this guide is here to assist with that endeavor.