The Crimson_Tide_4.exe file you have requested: Modifications / Crimson Tide / v40 / Crimson Tide 4 - 47.12mb is not available. Perhaps try browsing all files for the game Medieval II: Total War: Kingdoms and upload any files you want to share or are missing. This is the only information we could locate:
(medeival combat isn't pretty)
Features in 4.0
-The addition of a burnt texture, now your soldiers will be nice and crispy.
-Removed arrow trails
-Added dust during dry weather and Blood, Dirt, Sand, Snow, and more.