New details about the for Pillars of Eternity, called The White March Part 1, are revealed at the PC Gamer E3 2015 press event. Although the developers from Obsidian weren't very specific, the expansion will include a level cap increase, new companions (such as the rogue and monk), a new party based AI system, and new multi-class abilities. The expansion is being published by Paradox Interactive, and takes place in a heavily fortified region called The White March, and players will seek to breach a fortress to find the White Forge and recover the secret of Durgen Steel to turn the tide of battle. 

The expansion is expected to release soon for PC, Mac and Linux.