Mysterious Chthonian Slabs Room

are found in the Pinki Crater and as such accessing them requires having completed the quest Admission Crater. There are four slab rooms in the area, Tourist, Expert, Amateur and Specialist. Each room can only be accessed by players in a certain level range, respectively: 1-50, 151-200, 51-100 and 101-150.
When all four slab rooms are filled with players doors in each room open, and players pass into Nomads' Land. After passing two mobs they arrive at Grozilla and Grasmera's Den, the location of Grozilla and Grasmera.
In order to open stand upon the slabs players require specific stats as well as a specific number of free pods. A guide can be found here. 
Quick Note regarding the guide: the characteristics requirements for slab 6 and 8 of the tourist room are incorrect. 
:For slab 6 the following stats are needed: 150 Strength - 150 Intelligence - 100 Chance - 100 Agility. 
:For slab 8 the following stats are needed: 150 Strength - 50 Chance - 50 Agility - 50 Intelligence
:Reference: https://www.dofus.com/fr/forum/1282-divers/2088013-ouverture-vulkania-salle-dalles
Players also need to orient their characters in a specific way. 
Category:Location
Category:Archipelago of Vulkania