My favourite boss in ToS is definitely Kil'Jaeden! Why? Because he's bad ass! The abilities, the intermissions, the need to have a certain setup to kill him (at least for my guild). Can't wait to see how he's like in mythic!
As a healer none of the fights have really stood out as great so far. Maybe Fallen Avatar because we decided to do essentially dedicated tank healers - which was something we don't normally do. So getting to do that was a nice change, and a good challenge to adapt to.
i will have to say sisters of the moon its caotic a mess but i must say its my favorite fight and changing moon and night stacks is always a fun thing ^^
I've only cleared normal, so I imagine my answer may change once I've got heroic mode behind me, but I like the Fallen Avatar! The better your group does in the first phase, the easier a time you'll have in the second! It's a wonderfully clear way to mark progress and gear/rotation improvement along with execution of mechanics.
From what I have seen so far, Maiden looks to be my favorite fight
Harjatan - Why, just look at him, he's awesome :)
Fallen Avatar seems like a nice tunnel vision boss
Finally having the chance to murder Kil'jaden is amazing, not only have I wanted to kill him since I saw his early cinematic, but he's a doofus who ruined a lot of peeps homes.
Fallen Avatar! Did you see how he made his sword from thin air?
I like the Sister's fight because it is so different! That moon actually playing a major role and changing over time is brilliant and causes everyone to stay vigilant!
the desolate host , because i was in the world 1st glory raid... didnt get it myself but still the goosebumps (think they beat asmongold too )
Mistress Sissz'ineBecause phase 2 is so loony!
For me it's definitely Maiden managing to remind me of both Experiment X-89 in Wildstar and Ulduar.
I will say Maiden, because she reminds me of the WoTLK Thaddius fight in Naxx and that is one of my all time favorite raids!
Mistress is really fun. My favorite part is the Sex Whale.
Maiden of course! Jump in the hole now!
I personally like the Demonic Inquisition, because nobody expected it... ^_^
sisters of the moon because i started this game as a night elf 10 years ago
Maiden because when i saw the video fight for the first time...i thought... "too many wipes".... and yes i was right ! xD
Demonic inquisition is awesome running dodging then confessing is awesome I like getting a new button :)