Radix Sinceritate means Truth Root. It's a supernatural and powerful herb. This is a herb with a strong power and it can make someone tell the truth.
Appearence[]
It is planted in Joanna's garden and she pulled it in The Son also Rises. Joanna baked it with a cake and later with Wendy brought it to Dash as peace offering. She wanted to be sure about his powers, but he refuses to accept it.