Should I make any changes?

For Ladder, both Blizzard and Resurrect Fenrir work wonders against Pegasus'.
Also, please try to edit your post the next time rather than creating 3 posts in a row .

Oh there's an edit button? I'm so stupid for not seeing it, thanks Koenaj.

Also, currently working on an S Underdog Fenrir

Edit: Also, Pegasus seems to do much more damage to Fenrir with Psychic Thrust than Fenrir does with Aurora Borealis.

[Koenaj]

The more you know !
Because Psychic Thrust hits with 180 Power unupgraded whereas Aurora Borealis hits with 120 Power unupgraded.
Also, the monster you might be testing it on might be influenced.

I use my fen against pega does kill it often but that's because of chill 2. Resurrect would work as well but only for none res pegas. Cerb is best for pegas in my opinion ( excluding baha)

Here's my fen