We know that this extraterrestrial comes from another solar system so I will calculate the approximate speed of Watagash:
https://cdn.eso.org/videos/hd_and_apple/eso1615a.m4v
I will use this reasonable distance to calculate the feat:
- 39 LY = 3,6e17m
TimeFrame = 1 Days
- V= 3,6 e17/864000/C
- V= 13888x SoL
Massively FTL+ Watagash