Any recommendations on what Mirages to bring?
I'd recommend you move the story forward a bit and get a Mirage in Saronia Harbor, the
. Then backtrack and grab the dragon. Remember that you don't need to learn elemental attacks to have one because stacking a S and M on Reynn/Lann's (L) head will alter their respective physical attacks to the predominant element of that Stack. For the Holy Dragon, I captured it with Lann as a healer and Reynn with a
(DLC version of the Pale Bonnetberry) on top of the
from Saronia Harbor, which changed her physical attack ability to Holy. (You don't need the
, but it is a strong M sized Mirage with a lot of compatibility for Good Stability stacks, so you'll want to start leveling it ASAP.)
For Saronia Harbor itself, Lightning attacks are a safe bet. You'll also need Water Resistance on S+M stack to trigger a switch and a Mirage that knows Sizzle. Flutter is optional but welcome.
I'm missing a Mirage from Icicle Ridge, I'll have to go play after my kid takes off to school and figure out which one it is. That spreadsheet
Xevren dropped on the end of the previous page may help if I can get it to load. ETA: it loaded, it is the Left Claw, I heard that's easier to find in a later chapter, so I'll wait.
I'm also mad at locking myself out of a naturally obtained Bihydra, hopefully I can Transfigure the Dualizard to one at 24. The highest one I have right now is 21.