Hyper Goner Undertale
Hyper goner is a determination deck specific effect card.
Hyper goner undertale. If you look in undertale folder you will find a track name mussfxhypergonerlaugh as the name said its a effect that should play when he did hypergoner attack. It has the same skull exterior. Asriels final attack before he begins fighting at full power. But the thing is asriel doesnt have any history with the the true lab or any extreme experiments.
When used it destroys all monsters on the field of play including your own. Heres one of the attacks in the asriel fight. A huge pancake 8457075 views. I did true pacifist route twice so im not that sure.
It is similar to the gaster blaster in appearance. But i think its also unused because i havent seen it in game yet. Well in case you need a reminder the hyper goner is the last attack by asriel dreemurr before he turns into the more edgy version of himself. Undertale gaster deprived gaster fight fan made duration.
True pacifist spoiler i found official asriel laugh. The bullet board covers the entire screen before a large creature resembling a combination of the dt extraction machine and sanss signature gaster blaster attack is summoned.