Weaver of Fates

Weaver of Fates has a warp charge value of 6.
If manifested, select a THOUSAND SONS unit
within 18" of the psyker. Until the start of your
next Psychic phase, the invulnerable save of that
unit is improved by 1 (to a maximum of 3+).
Models that do not have an invulnerable save
instead gain a 5+ invulnerable save.