Skip to main content

Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs
TagsGame Engines

Do you, by chance, mean the "Bonus Battle 2" which at the start of the fights gives you a message which says:
"Special map feature:
The mage in the far east will deal 5 damage with a long distance fire spell to a random vanguard squad until he is defeated."?

If that is the battle you talk about, then it an intended feature, not a bug.