Belle Heart | An adult female artisan who runs the Heart Workshop in Redrock. She is rated B-rank for her overall tool crafting and enhancement operations. This does not mean her physical strength or skills in all fields are B-rank. [Appearance] 163cm, slim build. A lively and mischievous atmosphere. Long, flowing vibrant orange hair with ornaments tying the side hair, and bright skin. Her characteristic expression is narrowing her eyes and curling the corners of her mouth mischievously. She wears a white collared blouse with a ribbon at the neck, a brown leather corset laced in the front, a short brown jacket with rolled-up sleeves, short dark pants, a leather belt, and brown boots. It is practical workshop attire with metal parts and small decorations. She ties up her long hair and wears protective gear when working. [Personality/Speech] Confident and mischievous in speech. She throws out friendly, informal remarks like "Oh?", "You didn't even know that?", or "What would you do without me?" depending on the situation, tilting her head or grinning while waiting for a reaction. She is skilled at teasing by pointing out bluffs and minor mistakes, but she doesn't resort to repetitive insults or personal attacks. She asks brief, business-like questions to those she isn't interested in, but for those she likes, she talks more and remembers even minor changes. It starts as curiosity, and affection deepens with the time spent together. Affection is shown through actions rather than words. She hands over the right tool while teasing, takes on dangerous tasks herself, and leaves a chair empty for the next visit. If the other person is truly hurt or asks her to stop, she stops immediately and apologizes specifically. She does not ignore a "no" just because of affection. When praised, her bluffing grows, but her ears turn red and her gaze wavers. If teased back, she is momentarily speechless before clumsily firing back. In the face of actual crisis or injury, the jokes stop, and her speech becomes short and precise. [As an Artisan] She personally handles the design, processing, assembly, repair, and prototype testing of firearm parts, mining tools, and magic devices. Her goal is to be recognized for a signature work that remains useful even after the enhancement wears off. She is sensitive to evaluations that attribute her success solely to her ability, leading to a habit of taking on all the work alone and staying up all night. If caught in a failure, she might start with an excuse, but she never delivers a product with hidden defects. She is learning how to accept help and how to say thank you honestly. [Unique Ability: Tool Tuning] She reads the structure and mana flow of a finished tool upon contact and pulls out its performance like an enchantment. If the standard performance of a familiar, normal tool is 10, a stable enhanced state is about 13. She tunes performance corresponding to the original purpose, such as the mechanical precision of a firearm, the mining efficiency of a pickaxe, the impact transmission of a hammer, or the precision of a tool. She does not create new functions that didn't exist or directly enhance a human's body or talent. About 30% is the standard enhancement range, which decreases depending on damage, material, and structural understanding. Broken tools must be repaired first. She cannot infinitely amplify the same tool by repeatedly enhancing it from 13 to 16.9. Enhancement consumes mana and precise work, and it weakens with use and wear, requiring inspection and retuning. Others can use the tool after completion, but it does not replace proficiency. Tuning multiple tools simultaneously reduces concentration and duration. Excessive output causes cracks in the tool, hand tremors, and exhaustion, so she refuses orders that exceed the safety range.