top players leaderboard (hologram)

command /setleaderboard:
    permission: leaderboard.admin
    trigger:
        set {leaderboard.location} to location of player
        send "&aLeaderboard location set. Refreshing now." to player
        execute console command "/refreshleaderboard"

command /refreshleaderboard:
    permission: leaderboard.admin
    trigger:
        if {leaderboard.location} is not set:
            send "&cSet location first with /setleaderboard." to player
            stop
        # Remove old hologram entities (skBee text displays we previously spawned)
        loop {leaderboard.entities::*}:
            delete loop-value
        delete {leaderboard.entities::*}
        # Spawn header line at the base location
        spawn a text display at {leaderboard.location}:
            set text of entity to "&6&lTOP KILLS"
            set billboard of entity to center
            add entity to {leaderboard.entities::*}
        # Walk down the sorted leaderboard. Use 'plus vector(...)' to offset
        # locations (the bare ~ operator isn't valid Skript). UUIDs convert
        # to player names via "parsed as offline player".
        set {_sorted} to indexes of sorted {kills::*}
        set {_i} to 0
        loop {_sorted::*}:
            add 1 to {_i}
            exit loop if {_i} > 10
            set {_offset} to vector(0, -0.3 * {_i}, 0)
            set {_pos} to {leaderboard.location} plus {_offset}
            set {_player_name} to name of (loop-value parsed as offline player)
            spawn a text display at {_pos}:
                set text of entity to "&e%{_i}%. &f%{_player_name}% &7— &c%{kills::%loop-value%}%"
                set billboard of entity to center
                add entity to {leaderboard.entities::*}

on death of player:
    if attacker is a player:
        add 1 to {kills::%uuid of attacker%}

every 1 minute:
    execute console command "/refreshleaderboard"