Quote Originally Posted by Selpharia View Post
Seconding this. Sen''s is a simple matter to finish, but an awful maze the first time yoou run through it.

I like Anor Londo a lot, though that actually feels shorter in some ways because it's broken into bite-size chunks.
Spoiler: Anor Londo
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1) Kill Gargoyle
2) Chapel rafters, 3/4 enemies
3) Gargoyle 2
4) Cathedral exterior with a grand total of 7 enemies you need to care about, mainly challenging because of the Dragonslayer Bow knights
5) Cathedral interior (3 knights at most using a direct path)
6) Boss hall and Biggie and Smalls (Only O&S can't be easily dodged around
So the whole area only requires you to kill 16 enemies and the boss.
Anor Londo isn't much worse, but the common enemies are nastier and the boss at the end is as well.

The primary difference to me in what makes Anor Londo so much more difficult is the popularity of invasions during the interior. It's right behind the Forest and Oolacile on the hardest places to get through thanks to invaders.

WHICH I LOVE ABOUT THE GAME SO DON'T EVEN START.
you know who you are.