Here is the full list of all 14 Knights of Valour (EU) trophies - there are 11 bronze, 2 silver and 1 gold.
Win the first Multiplayer game
Defeat Dong Zhuo for the first time
Defeat Lu Bu for the first time
Defeat Hua Xiong for the first time
Defeat Zhang Jue for the first time
Defeat Zhang Bao for the first time
100 Combos in battle
All stages in "Marsh Battle" 100% explored
All stages in "Prosperity Under Heaven" 100% explored
All stages in "Sishui Supremacy" 100% explored
All stages in "Terrible Demon" 100% explored
All stages in "Dark Calamity" 100% explored
Stage Rank S in Stage 1~Stage 5 of any Difficulty
Defeat Xiang Yu for the first time