I would like to be able to see the omens used so far.

[rem_tuas]

It is in the track record,
"Not feasible" to use at least 50 different kinds of omens to break the seal (without using infinite mode).
I would like to be able to see which omens I have used so far in order to unlock the "Unfeasible" achievement on the omen selection screen.

[Rifou]

Hi ! The Omens you already used have a little flag below them. However, iirc, this flag is map-dependent but the Visionary achievement is not, so it may be easier to obtain if you focus on the same map to have the 50 you need. It will be easier to track which ones you already used.

I hope this helps, have fun !

[rem_tuas]

Thank you. I was able to find a small flag.
But not throughout the whole game, so it is a bit inconvenient.