Leopold's Trust Master reward is the skill Gust Mane.
Entries for different versions of Leopold.4★ - No. 1140: A young man whose lineage includes generations of distinguished swordsmen. Though his father had high expectations for him, deep down Leopold felt like he'd reached his limits. One day, he left his hometown in search of the Immortal Great Mage. For some reason, his vision has come back with him in the shape of a lion.5★ - No. 1141: A pessimistic lion swordsman depicted in a certain fairytale. When Leopold was transformed to his current state by a magical spell he could not reverse, he ventured with the sorcerer Magna to find a way to return to his original form. Leopold was a gentle soul, a stranger to anger, and someone who would never turn his back on those in need.5★ - No. 1142: A young man taking the form of a lion who is said to have lived in a certain town long ago. He lived in his current form for quite some time and grew accustomed to it. A recent report was published in Lapis stating that Leopold may be part of a lineage that carries the lion family crest.
Leopold's stats at his highest levels are as follows (with no passive abilities taken into account), along with the maximum amount of stat points that can be increased through pot-enhancements:
Leopold can equip the following weapons: Dagger, Sword, Great Sword, Katana.
He can equip the following armor: Light Shield, Heavy Shield, Hat, Helm, Clothes, Light Armor, Heavy Armor.
He can equip accessories.