The Dueling Club is where you'll find Periculum. You can notice a door with a lengthy hallway if you pass via a fireplace. When you open it and glance to the side, you'll notice a large room with a blue light. There's an expectation you'll discover the spell there.

How do you get Avada Kedavra in RO wizard?

This is one of the spells that you don't obtain when you create your character. In order to obtain this curse you have to buy it from the Shop. Avada Kedavra is the most expensive spell in the game, with it costs 20k . It's an curse and it's principal use is to instantly kill the opponent.

Is Avada Kedavra in RO wizard?

Avada Kedavra is an unreleased spell in Ro-Wizard. It may be located in the Chamber of Secrets.