The Season 2 “Spelunker” achievement no longer grants class set tokens in Patch 11.1, as opposed to its 
The War Within Season 1: Spelunker Supreme counterpart.
Instead, earning 
The War Within Season 2: Master Blaster will grant you 1 Catalyst charge via 
Crystallized Essence of Kaja’mite.
How to Earn The War Within Season 2 Master Blaster
You have three ways of earning the Season 2 achievement. You only need to satisfy one of the listed requirements:
- Reach 1,600+ Rated PvP rating.
- Attain 2,000 Mythic+ rating.
- Defeat Gallywix on Heroic or Mythic difficulty.
What do you think about the change?