DLC Features:
New Missions - Play your part in the Templar's holy crusade across seven missions in 'The Templar & The Duke' Skirmish Trail. 
Two Characters - The Templar and The Duke join the battle as AI opponents in the new Crusader Trail, Skirmish Mode and online Multiplayer. 
Unique Castles - Free-form designs with intricate walkways, killing zones, multiple towers and few weak points. 
Custom Shields - Customize your in-game shield with five unique coat of arms designs, declaring your allegiance in the holy war. 
Extra Achievements - Complete 10 new achievements as the ultimate proof of your skill as a commander.

Recommended:
OS:
Windows® Vista/7/8 64-bit with latest service packs
Processor:
Intel® Core™ i5 or equivalent
Memory:
8 GB RAM
Graphics:
NVIDIA® GeForce® GTX 460 1GB or AMD Radeon™ HD 5830 1GB or better
DirectX:
Version 9.0c
Network:
Broadband Internet connection
Minimum:
OS:
Windows® XP/Vista/7/8 with latest service packs
Processor:
Intel® Core™2 Duo 2Ghz or equivalent
Memory:
2 GB RAM
Graphics:
NVIDIA® GeForce® 8800GT 512MB or AMD Radeon™ HD 2900XT 512MB or better
DirectX:
Version 9.0c
Network:
Broadband Internet connection