A decent map.
A couple notes:
-Assist Skills in Auto: On
-Lilina's weapon has Chill Res, keep that in mind
-The unit with the lowest attack stat will attack the fort first, keep this in mind too.
-0:00 - Free-to-Play Solution 1
-1:06 - Free-to-Play Solution 2
-2:04 - Free-to-Play Solution 3
-3:10 - 1-Turn Leif Solution
https://ko-fi.com/serghm