The Blackwood Add-on for The Elder Scrolls Online has 4 achievements worth 180 gamerscore.
Complete quests, defeat bosses, and explore delves to become the Savior of Blackwood.
Adventure with any companion.
Defeat Oaxiltso, Flame-Herald Bahsei, and Xalvakka in Rockgrove.
Investigate the threat against Blackwood and restore peace to the region.