It is not only about evo material, also cosmic frags are availabke for our next T1 white

From the opening post:
Talisman Soul Fragments x25 (50 Gnosis Soul Fragments, 20 per event)

400 per Talisman Soul = 16 times the 25 frags, at 50 Gnotchi frags each = 16*50 = 800 for one new tali