In the corridor behind the slab of Live on Mars, 50m underneath L'Arrache Cœur. Standing start right in the pit with two vertical holds, dyno to the ledge, traverse to the left on slopers and mantle up after the last crack.
From the parking lot, follow La Route de l'Isatis and take a small path to the opposite of the sector of La Piste aux Étoiles, 50m before Screaming Tree. The boulder is at the middle of the slope towards L'Arrache Cœur.