How to Unlock Cosmo Pavone Secret Character in Vampire Survivors

What am I missing and how do I get them? I have all secrets, all unlocks, and all achievements. Just not sure what these two items are in the collection. Thanks!

Vampire Survivors - All Secret Characters and How to Unlock Them

Vampire Survivors 🧄 VS: Emergency Meeting 🧛🚨 on X: Woke up & realised that a lot of you probably missed a secret character in our game!👀 To unlock missingN▯, simply: ⚠️Spoiler zone

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