Source: Starfinder Pact Worlds p.206
Level Mystic 1
Casting Time 1 standard action
Targets one creature
Duration 24 hours
Saving Throw Fortitude negates (harmless); Spell Resistance yes (harmless)
With a touch, you cause a surge of power to flow through the target’s slow-twitch muscle fiber (or its equivalent physiology if it has no muscle fibers), increasing the amount of bulk the creature can carry by 3.