Lizard Priest is a lizardman adventurer marked by green scales, prominent cranial horns, and facial markings evoking tribal tattoos. He wears traditional priestly garments paired with a functional chest guard, contributing to an imposing physical presence that often unnerves others, despite his generally benign nature. His cultural heritage stems from lizardman communal colonies in swamp or desert environments, societies emphasizing oral tradition over written records and hunting over livestock rearing. This background explains his initial unfamiliarity with dairy products, leading to a notable fondness for cheese, which he reverently terms "nectar" after discovering it during an early mission.

He typically maintains a calm, respectful demeanor, addressing others with formal politeness. His actions reflect a deep reverence for the natural order, aligned with his people's religious veneration of draconic ancestors and belief in evolutionary transcendence over divine creation. This worldview fuels his personal aspiration to evolve into a Naga, a higher draconic form. Professionally, he operates as a Silver-ranked adventurer, frequently collaborating with a core party including Goblin Slayer, Priestess, High Elf Archer, and Dwarf Shaman. He consistently demonstrates loyalty to allies, such as defending Priestess from disparagement and offering her mentorship.

His capabilities blend clerical miracles with martial prowess, limited to casting four spells daily. These miracles often require dinosaur bone or fang catalysts, reflecting ancestral worship practices. Key abilities include summoning skeletal Dragontooth Warriors for combat assistance, transforming fangs into bladed weapons via Swordclaw, and augmenting physical strength with Partial Dragon. He also employs healing spells like Refresh, communication through ancestral telepathy, and area-of-effect abilities such as Dragon's Roar or Rust. In physical combat, he leverages natural weapons like claws, fangs, and a clubbed tail, supplemented by advantageous poison resistance in hazardous environments.

His development unfolds across multiple missions. Initially recruited to eliminate goblins threatening elven lands, he integrated into the party during this quest and discovered his affinity for cheese. He later aided in defending a frontier farm, investigated catacombs in Water Town where his poison resistance proved vital, and participated in thwarting a siege during a harvest festival. His role evolved to include training novice adventurers at a dedicated facility, emphasizing preparedness and teamwork. Subsequent adventures involved battling goblin incursions during an elven wedding expedition, assisting in mountainous rescues against supernatural threats like an Ice Witch, and supporting temple operations. Throughout these experiences, he balances combat contributions with cultural insights from his heritage, reinforcing his identity as a bridge between ancestral traditions and the broader adventuring community.