Merlin trial help?

[tiny spear]

I couldnt solve this merlin trial and is looking for help on how to solve it.
Help would be apptreciated :)

[regal flower]

Ah, that's a Lumos one! You need to find clusters of tiny little butterflies made of light hanging around; there will be three, one for each pillar.

If you look closely in the background of that picture you took, there's one hanging around right there

[tiny spear]

Ooh, i thought they just showed me loot

Ty