Tserendolgor, usually called Ren, is a Mongolian crawler who becomes a level 27 Dog Soldier and Crisper when first directly examined. She uses a flamethrower, survives the Fifth Floor bubble crisis, attends Crawl Con, and acquires the Tummy Acher pet Garret. Ren dies on the Eighth Floor after deliberately triggering Garret's fifth regeneration and entrusting the reset infant to Carl. Ren's Dog Soldier race resembles a German Shepherd, while her Crisper class centers on a backpack flamethrower integrated with clothing. She uses Ultraviolet and other enhancements against vampires and massed enemies. Donut initially dislikes her because of the dog form and later because of competition involving Mongo. Ren's group is trapped inside a melting bubble while Orthrus and a god-linked crisis heat the world outside. She coordinates messages with Carl and reports that 160 crawlers remain alive. Carl's larger intervention helps the group finish its crystal sequence and escape, establishing a reciprocal alliance. Ren attends Crawl Con and receives Garret as a gift. She brings him to the Butcher's Masquerade pet show and manipulates the ballot so the Tummy Acher wins Best in Show. Donut turns the event into the public Justice for Mongo campaign, while Ren remains a useful ally despite their comic feud. Ren fights Quan Ch in the T'Ghee conflict and protects her team through card effects and flamethrower tactics. Garret's regeneration mechanic has reached the point where one more death will erase his memories, reset his level, and create a new bondable infant. Badly injured and resolved to die on her own terms, Ren uses the Knife of Frozen Tears to trigger Garret's fifth regeneration. She gives the infant to Carl before dying. The act saves the creature's future but ends the remembered Garret. Carl later bonds with the successor, named Rend, preserving Ren's legacy without pretending she survived.
- Garret
- Rend
- Crawl Con
- Quan Ch
- Pets and Dungeon Familiars