The Chosen Ones

Hello everyone,

 can somebody tell me all the heroic achievements in the campaign. I know of These:
 - Omega Orb 6
 - Killing Xada in 2nd form
 - watching secret cinematic between Tharo and Fradz in chapter 7
 - Killing Uummut
 - Killing Xvareon

 Which other 2 have I missed?

 Thanks for help in advance....