Excalibur

variables:
        {przyklad.sk.%player%} = 0
on death:
	name of attacker's tool is "&e&oExcalibur"
	victim is a player
	set the 3st line of lore of attacker's tool to "&rPlayers Killed: %{przyklad.sk.%player%}%"
on death of player:
        add 1 to {przyklad.sk.%player%}
on damage:
        if name of attacker's tool is "&e&oExcalibur":
                remove strength from the attacker
                apply strength 6 to attacker for 4 seconds

Musisz mieć wersje skripta 2.1.2

ale gdybym mogł dokładniej poprosić łącznie z tabliczką 

ja nie ogarniam

//Łączę ~Derpy

on rightclick on sign:
    line 1 is "&4[Bronie]"
    line 2 is "Kup"
    line 3 is "Excalibur"
    line 4 is "1000000"
    if player's balance is greater or equal to 999999:
        give diamond sword of sharpness 40 and fire aspect 40 and unbreaking 40 and knockback 40 named "&eExcalibur" with lore "&7Wlasnosc: &a%player%" to the player
        execute console command "eco take %player% 1000000"
    else:
        send "&cExcalibur &7kosztuje &c1000000$&7."