14-year-old girl. Lime green with long dark green hair. Shining white eyes. Carries a diamond-shaped leaf, Gem, with her.

Leif is kind of shy. She is quite innocent and never has the intention of using her powers for evil. She will avoid a battle if possible. Leif never attacks with fatal blows, never killing. She will only knock her opponent out, but never seeking to kill or inflict fatal damage.

Uses a magical Leaf named Gem. Gem is capable of becoming any tool that can be as sharp as any blade and as hard as titanium. Leif can go into Energy Form and spawn duplicates of Gem, all bended by only her. Leif is flexible, having done gymnastics, she can flip and twirl her way out of attacks, not all of them, though. eif has just opened access tpo a new form, Life Form, where she sprouts large dove wings from her back and Gem is in her true form, a golden phoenix. Leif is now able to grant life to plants, allowing them to be self aware, giving them the ability to move and think on their own, and aid her in battle.

Since only being slightly well in hand to hand combat, anyone who is very strong in martial arts can take her down. Too much damage dealt to Gem will also cause Leif to feel pain. Leif never takes killing blows, so her opponent will not be hurt badly too quickly. Her mercy is one weakness, despite it all, she will spare anyone, even if they've done something horrid to her. This makes it easy for opponents to take advantage of her mercy and strike her in the back.

Leif came from a town near the city. After being chosen by Grenendaris, the energy of life, she learnt basic training from a neighbour, Test, to become a Gladiator. After Test was killed by someone hunting her down, Leif fled with a group of a few friends. After stopping the man, Ginn, she became a RHG at the Dojo. Ginn escaped his prison with the help of Grenendaris's revenging seeking sister, Drexan. Drexan chose Ginn and both worked together to seek revenge on Leif and Grenendaris. They succeeded and trapped the two in dark spheres, imprisioning them between the world of dead and living. Leif somehow escaped and he and Grenendaris, along with her friends, managed to stop Drexan and Ginn, at the cost of her memories since she was chosen. Now Leif is a RHG at the dojo, trying to recover her memories.

After a long while, Leif regained her memories thanks to the power of the scarf Swift gave to her. Though the sudden absorption of large amounts of memories, happy and sad, left her emotionally broken. But the impact made her heal and grow stronger. She stays with her friends at the Dojo, now she focuses on her battles. But however, in a previous battle with Grin/Ginn, her heart was poisoned with venom, full of Hate and anger. So though she has gotten her Life Form, the venom occasionally spreads to her nerve systems, causing her to show sudden signs of aggression. This affects her nature and what she does. Since Leif is usually a shy passive person who believes in mercy, the venom could change her to a girl who would'nt hesitate to kill. When the venom hits a vein to cause this effect, her white eyes turn black, also signalling the presence of Wither, a counter consiousness affected by the venom that turns bloodthirsty, believing everything is a threat and thus it is necessary to kill in protection of Leif.