Скачать или смотреть World of Warcraft Guide: Master the 'Periodic Destruction' Achievement Fast!"1

"Looking to earn the 'Periodic Destruction' achievement in World of Warcraft? This step-by-step guide has all the tips and tricks you need to dominate!"
try to get your toon to lvl 80 and do the opening Nazjatar quest line then farm some mobs in the area to get the quest called Mardivas's Laboratory then head to the cave and the reset in the video.
the items you need are called :

1-Strange Mineralized Water
2-Strange Oceanic Sediment
3-Strange Volcanic Rock

Coordinates for the cave : /way Nazjatar 60.31 30.52 Mardivas's Laboratory.

you can find the crystals interact with the items h ere to spawn the rares gl every one:

Lesser Arcanocrystal Greater Arcanocrystal Spawn
None None Arcane Amalgamation
Lesser Benthic Arcanocrystal None Watery Amalgamation
Lesser Benthic Arcanocrystal Greater Benthic Arcanocrystal Osgen
Lesser Benthic Arcanocrystal Greater Lithic Arcanocrystal Zomera
Lesser Benthic Arcanocrystal Greater Pyroclasmic Arcanocrystal Omus
Lesser Lithic Arcanocrystal None Dusty Amalgamation
Lesser Lithic Arcanocrystal Greater Benthic Arcanocrystal Spawn of Salgos
Lesser Lithic Arcanocrystal Greater Lithic Arcanocrystal Herald of Salgos
Lesser Lithic Arcanocrystal Greater Pyroclasmic Arcanocrystal Salgos the Eternal
Lesser Pyroclasmic Arcanocrystal None Burning Amalgamation
Lesser Pyroclasmic Arcanocrystal Greater Benthic Arcanocrystal Xue
Lesser Pyroclasmic Arcanocrystal Greater Lithic Arcanocrystal Moghiea
Lesser Pyroclasmic Arcanocrystal Greater Pyroclasmic Arcanocrystal Ungormath