Pettra

Pettra the Desert Flower is the Elemental Lord of earth, she has the appearance of a humanoid female with skin made of marble and wearing a long dress made of solid rock that unnaturally behaves like cloth.

Powers
As with all other Elemental Lords she is immortal and has a gigantic amount of magical power.

Pettra has the power over earth, sand and rocks.

She seems to have some power over metals but they are limited and weak when compared to her control over earth or sand.