Code Geass: Lelouch of the Rebellion
When Shen Hu Wins Glory
S2 E10:
The High Eunuchs make a deal with Li Xingke to get Empress Tianzi back from Lelouch; Kallen's Knightmare Frame falls to Li Xingke, imperiling the Black Knights, but the tide of battle shifts when the Eunuchs show their true colours.