@kendalljayyzhxu You=1, killer=1, then 50 people, meaning 52 people in total.
The answer is 1, because who would even stay there after 30 people are killed? The only 1 left would be the killer. It could also be 0, the other 21 people would have already called the cops and the killer had escaped.
@boysbelnboys We went to a river resort once and my lil bro found a very long stick 6ft maybe and at one of its edges it looked like a firework and I took a second look at it.. 100% mage staff specifically the fire or electric element