[SECRET] How to get Gaster Wave + Gaster Unit Showcase [Showcase] [Undertale Adventures]

Link Game : https://www.roblox.com/games/18512318831/WATERFALL-Undertale-Adventures
My Discord Server : https://discord.gg/AQeZ4zXUP7
Buy My Merch Here : https://www.roblox.com/groups/8312049/DeadlySans-Army#!/store
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Music Used :
- https://youtu.be/cnsCoa4Cgf0?si=mMItbqgsMCbKvAqu
- https://www.youtube.com/watch?v=FPSgfQGSyUA
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Time Stamp :
0:00 How to get gaster unit.
1:41 Gaster Wave Battle.
1:55 Shoutout.
2:01 Gaster Wave Battle.
3:29 Gaster Unit Showcase.
7:03 Outro