Making a manhunt skript, how do I make the compass work in the nether?

[Lectus]

So I'm making a manhunt skript and I'm having a problem where I don't know how to get the compass to work in the nether, I've heard that smt about nbts work but I don't know how to use them in any way shape or form.

My first idea was to spawn a lodestone 100 blocks above the runner, then track the lodestone, problem is, idk how to track the lodestone, because when I do it, I'm pretty sure it tracks the block location itself, not targetting onto the lodestone.

Code:

on rightclick with compass:
    if name of player's held item contains "&6&lTRACKER":
        if {nether} is true:
            if player's world is "world":
                set player's compass target to location of {portal.location}
                send "&aTracking Portal!" to player
            else:
                set block 100 blocks above {runner} to lodestone
                set player's compass target to block 100 blocks above {runner}
                send "&aTracking %{runner}%&a!" to player
        else:
            if player's world is "world_nether":
                send "&aTracking Portal&a!" to player
            else:
                set player's compass target to location of {runner}
                send "&aTracking %{runner}%&a!" to player