Originally Posted by
Qualia
WC3, yes. Triology? No. Surely, he was arrogant and selfish, gaining power and proving himself better than Malfurion was one (well, two) of his goals and may or may not be more prioritized. However, defeating the Legion (and thus, saving Azeroth) was always there since the moment he decided to join the Highborn / Legion side. He did those for defeating the Legion, just that it's not the only goal (whether it is most important goal or not is also in question). Otherwise, he wouldn't need to worry about Sargeras detecting his thoughts.