Super Mario Galaxy 121 Stars Walkthrough Part 31a: 50% Complete!

I'll have you know, THIS is where I seen people stop their walkthroughs. Seriously! What a shame. There is so much more of the game to see. I'm not mentioning names though...

Anyway, this is the final battle with Bowser! Will it be epic? Will I do it? Find out yourself!

Clickables:

-----Comet Observatory-----

Bowser's Galaxy Reactor:
0:00 The Fate Of The Universe Part 2/2
3:30 Ending

-----Super Mario Galaxy Menu-----
https://pkgam.tumblr.com/post/181233049510/super-mario-galaxy-menu

-----Super Mario Galaxy Playlist-----
https://www.youtube.com/playlist?list=PL300BB778B9DEE63A

Enjoy!