Arbor Field

Arbor Field, known as the Field of the Plantsman is a Sacred Gear wielded by Mason, one of the Gehenna Guards and former captive on Hagun Island.

Summary
In Volume 1, Mason is shown to be a user of Arbor Field during his match with Alice.

Appearance
Arbor Field itself doesn't have a physical form, it does create a series of seeds that has green glowing lines traced across it.

Abilities
Arbor Field grants its user the power to control all the plant-life in their area of influence and if they are in an area such as a forest, then their control if extended towards everything around them. It is shown by Mason that he can create a series of irregular seeds that has green lines traced across them and all of the seeds has the power to create a new kind of plant that is somewhat mutated. With enough mastery, similar to Senjutsu, the user will be able to make use of the hidden parts held inside of plants.

Trivia
The image used is Shizuya Kirihara from Rakudai Kishi no Cavalry.