Natalie Sr. had long light hair and dark eyes. She work a dark corset over a light short-sleeved button-up dress curiass, and a dark bow on her head.
Not much is known about her personality, however, she acted kind, pleasant, and professional toward Azusa when she registered at the guild.
Natalie Sr. was a guild receptionist for sometime at the Adventurer's Guild in Flatta.
Upon Azusa's arrival in the Adventurer's Guild, Natalie greets her and after estimating the amount of money she earned for the slime crystals she turned in, has her register in the guild. To her surprise, Natalie states that her Immortality Ability is impressive.
- Her name is shared with her 300 year successor Natalie Jr.. This suggests Natalie is a family name or her descendant is named after her.