How can I make Villager invincible

How can I make Villager with Custom Names invincible, because Potion Effects wont last forever.

 

You can make a potion effect last forever!​

Give it a duration of 9999 and Minecraft automatically makes it last forever ​

 

The potion effect stops after a day

 

HerrPrefix Entity damage event if the entity is a Villager and if the villager has a custom name visible then cancel the event.
and the same for entity damage by entity if de entity that has been damaged a Villager with a custom name visible then cancel the event

 

Then Every day, assign the effect to the villager

 

Solved it.

Code:

    @EventHandler
    public void onDeath(EntityDeathEvent e) {
        Villager v = (Villager) e.getEntity();
        if(v.isDead()) {
            Location loc = v.getLocation();
            Villager v2 = (Villager) v.getWorld().spawnCreature(loc, CreatureType.VILLAGER);
            v2.setCustomName(v.getCustomName());
            v2.setCustomNameVisible(true);
            v2.addPotionEffect(new PotionEffect(PotionEffectType.SLOW, 200000, 255));
           
        }
    }

 

HerrPrefix
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