function createHolo(l: Location, t: Text, length: Timespan):
    create hologram "%{_t}%" at {_l} for {_length}
on damage:
    loop blocks in radius 1 around head of victim:
        add location of loop-block to {_blocks::*}
    set {_bl} to random element of {_blocks::*}
    createHolo({_bl}, "&e%damage%", 25 ticks)