Just like snowballs, they are not very good for fighting but can make for a fun multiplayer experience by throwing eggs at each other. You can throw chicken eggs into your chicken coop without worry, the chickens hit by the eggs will run and seem like they took damage, but thrown eggs ...
As it passes, use more Fire Fruit-infused arrows to hit its weak spot again. Make sure you look up after taking out a weak spot – there should be a second just above it, letting you get more damage in. If you can’t hit it, don’t worry. Wait for Colgera to stop again, fire...