won't work that well because Stella Glow doesn't give you many/replacement units, unlike FE (like) games.
Well, the game does give the enemies some pretty nasty tricks, too, so it's not really that broken.
like that dude who attacks on player phase if you attack him (thankfully, not 3-10 range unlike the other game) xD
It's pretty cool gimmick, leading the player to capturing the ballistas on the side first so they can attack the boss without him hijacking player phase and destroying you.
Later on there are units that can only be harmed when you have WTA over them, or units who reflect damage if use weapon with low WLV, or a boss that reduces your weapon durability, etc.
Heck, even early on there is a boss that reduces everyone MHP by 1 every turn. The Yandere Eirika, if you remember XD