The First Knight's Rooted Soul is one of the many monster drops that can be acquired on the island of Matumada. The First Knight's Rooted Soul can only be acquired from the First Knight, the exile of the Frontier that wanders the plains of Matumada.
In appearance, the First Knight's Rooted Soul resembles similar to that of a heart tilted sideways, however, what may be "veins" are Dragonroots while the center is composed of what appears to be spiritual substance shaped like a semi-completed grenade shell. Besides that, radiation produced from the rooted soul can be seen rising outwards into the air.
It is possible for players to exchange the First Knight's Rooted Soul for rewards while searching for items to complete Giant Toad's Tasks if the task card is currently active. Other than that, it can be sold to a selling vendor at a selling price of 50,000 gold.
- It was introduced in the Spring Update.