ServerStorage.BarrageHand:29: attempt to index nil with 'Character'

[craggy palm]

you're gonna wanna use a colon for the functions other than the create function if you're doing OOP

otherwise self is nil, which is the problem here

so instead of

module.startbarrage()```
you'd do 
```lua
module:startbarrage()```

same with endbarrage

createbarrage will stay as a period, though

change the two in the modulescript and you should be good :)