FreeVerified
Shadow portal swirl, purple (low poly) 001
portal_shadow_001_lowpoly · decal.magic.portal
Shadow portal swirl: a low-poly, faceted portal ring decal for spells, buffs and summoning, purple, additive (glowing), about 3 m across; fades after 12.0 s.
Free for everyone
In GRIT, ask your agent for it by name, or it will find it when a build needs one.