My first Datapack btw :)

Functions:

/function troll.amongus - makes an image of among us from particles
/function troll.bestone - plays a sound
/function troll.fakeexplosion - plays a fake explosion to startle players
/function troll.fakeleave - shows everybody you left the server
/function troll.inviscreeper - spawns an invisible creeper
/function troll.nausea - gives nausea to you and other players