Are the Mantis lords optional?

Question

The only way to fight the Mantis Lords is if you challenge them, they are an optional boss. The battle will begin once you choose to do so. On Jul 7, 2019:

Hagrid P Hazard · Accepted Answer

The only way to fight the Mantis Lords is if you challenge them, they are an optional boss. The battle will begin once you choose to do so. On Jul 7, 2019:

Are the Mantis lords optional?

Related Questions

What happens if you disarm the bomb in Megaton?

How many GB is CoD ww2?

Can you play 2 switches one game?

Does Vesemir always die?

Is Emily or Corvo better?

What games can the switch LITE not play?