wing gaster
Yep i'm still uploading, next video will be a showcase of the playable character you unlock from this fight.

HOW DO I UNLOCK GASTER???:
Go into a server, can be either private or public, then wait for a mysterious door to appear, you will be notified when it happens, look for the door and hold E to go inside. Then defeat the Gaster boss. Go back to the main menu and look at the Undertale section of character select for 5 seconds. Gaster will be unlocked! Once the event is over, you will keep Gaster as a playable character. If you miss the event and don't unlock him, you won't be able to get him until they redo the event someday.

Thanks for watching

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