dx dy dz cant take negative values.
the correct command is:
/kill @a[x=-518,y=102,z=-1019,dx=22,dy=22,dz=22]
so the command is testing in the region:
"x-518 to -496" "y102 to 124" "z -1019 to -997"
dx dy dz cant take negative values.
the correct command is:
/kill @a[x=-518,y=102,z=-1019,dx=22,dy=22,dz=22]
so the command is testing in the region:
"x-518 to -496" "y102 to 124" "z -1019 to -997"