Q:
Question About Sigil of Impact
Cyyrix | Marypoppins Deathsquad [mds] | Team Riot [RIOT] | Blackgate
As far as I’m aware, the only Sigils that affect Illusions are Sigils that raise any of your base stats.
To quote the wiki: “…power, precision, condition damage & duration, boon duration, critical damage, armor, and healing power. Illusions will benefit from the mesmer’s might stacks, as well as any effects that increase the above stats, such as Banner of Discipline or Spotter.”
So in so far as I can tell; No, Sigil of Impact would not affect illusions.
Hope that helps.