The information from this article is from a fan game or fan fiction and is therefore not canon.
ZZT Universe
Jago Daforgo uses a dispell potion on three frogs trapped in Baba Yaga's hut, turning them back into soliers. The soldiers had been the soldiers sent to stop Baba Yaga, but had been turned into frogs by her power. One of the soldiers knew a few magic powers, and used them to help Daforgo fight the ogress.
After fighting her, he was able to rescue Bernard von Spielburg (unofficial).