Sneak Koromon away
From Create Your Own Story
It is difficult, but there is a chance for you to pull Koromon out of harm's way. Every once in a while, while it is spiraling its body, it has to stop for a second to gain the momentum again. While it is doing so, if you time it right, you could save Koromon from its death. The Betamon-alike might attack you, but it beats you watching your partner Digimon dying before your very eyes.
To determine if your concentration skill is strong, let's play a little Concentration game. [1] (click on the link)
Click the little, white, rectangular button beneath sets of tiles to start the timer.