Dungeon Siege III
44 Achievements
GOG
Aspire to Victory
You stormed the Spire and defeated Jeyne Kassynder. Details for this achievement will be revealed once unlocked
5.5%
How to unlock the Aspire to Victory achievement in Dungeon Siege III - Definitive Guide
Cannot be missed, story related.
This comes after the final battle with Jayne atop the Spire.