Guardians of the Grove trilogy by Chloe Hodge

Genre: YA Fantasy 

Vengeance Blooms (Book One) - Blurb

Orphaned and alone, Ashalea Kindaris has just one goal in life-- to avenge the death of her parents. But when darkness descends on the land, she discovers her motives are linked to a much larger quest. To protect the world from elimination, she must find the next Guardians of the Grove-- Everosia's inner sanctum and gateway to other dimensions. As shadows disperse and the forces of evil mount, Ashalea travels through water and wood, sewer and summit, to reach the chosen. Will her training lead to victory, or will the weight of unravelling secrets lead to her ruin?