In 20 BBY, he oversaw the recoveries of Jedi Master Judd and Padawan Dray after their fight with Darth Maul and Savage Opress. Dray had his hands reattached in a bacta tank while Judd's broken arm healed. Upon Judd's questioning of Tresfor regarding the inhabitants of Moorjthone and their livelihood under the rule of Ja'boag, the Twi'lek at first backed away. Upon further investigation by Judd, Tresfor told him to look to the skies for his answer and noted that the Day of Three Suns was drawing near.
- Darth Maul—Death Sentence 2 (First appearance)