By combining Petwins and unicornxps routes it is possible to use only 102 hours. It requires going to Reha only once. It looks like this:
Debir
Scarlet Wind
Rusty Anchor
Verona
Bolo
Debir
Dersu
Elon
Uzala
Nameless
Reha
Umkas
Montero
Tekron
Rusty Anchor
Scarlet Wind
Debir
Sheterra
Dersu
Elon
Uzala
Nameless
Verona
Until proven otherwise, this is the optimal route
