function on_update()
    if in_game() and is_key_pressed(0x2E) then
        local local_hero = get_local_hero()
        if local_hero:GetEntityName() == "npc_dota_hero_skywrath_mage" then
            for k, entity in pairs(get_entity_list()) do
                if entity:IsHero() and not entity:IsAlly() then

                    execute_order( -- silence
                        local_hero,
                        DotaUnitOrder.CAST_TARGET,
                        PlayerOrderIssuer.HERO_ONLY,
                        Vector3D(0, 0, 0),
                        entity:GetIndex(),
                        local_hero:GetAbility(2):Get(),
                        false,
                        true
                    )

                    execute_order( -- arcane bolt
                        local_hero,
                        DotaUnitOrder.CAST_TARGET,
                        PlayerOrderIssuer.HERO_ONLY,
                        Vector3D(0, 0, 0),
                        entity:GetIndex(),
                        local_hero:GetAbility(0):Get(),
                        false,
                        true
                    )

                    execute_order( -- shot
                        local_hero,
                        DotaUnitOrder.CAST_NO_TARGET,
                        PlayerOrderIssuer.HERO_ONLY,
                        Vector3D(0, 0, 0),
                        0,
                        local_hero:GetAbility(1):Get(),
                        false,
                        true
                    )

                    execute_order( -- ult
                        local_hero,
                        DotaUnitOrder.CAST_POSITION,
                        PlayerOrderIssuer.HERO_ONLY,
                        entity:GetAbsOrigin(),
                        0,
                        local_hero:GetAbility(5):Get(),
                        false,
                        true
                    )
                end
            end
        end
    end
end