In this guide, you will find out how to unlock the Secret Boss in Cuphead The Delicious Last Course.
First, you have to talk to a guy who will give you three hints.
After that, buy a broken relic from the shop and then come up and talk to these three guys who are going to give you hints.
Now you are going to the first, second, and third characters which are up, down, and then upright.
Take a small nap and the secret boss will be unlocked. Now you can go and play through the secret boss fight.
Before coming here, you can also change your relic. The attacks will be from whatever side you will be facing. So you have to face ice when the ice side is coming. This boss fight is pretty easy. This boss fight has only one phase but it will be pretty long.
If you have a dash you can also dash through most of the attack. After winning the boss fight, you can also change your cursed relic.
