Soul Level 1 and fists - only runs are a form of ultimate challenge when you've run up against the limit of doing anything else in a Dark Souls game. (kotaku.com)
The gradual build - up in difficulty only hits a few minor bumps along the way, culminating in a satisfying final showdown and some post-game ultimate challenges that prove just how fun and flexible the combat system is. (gameinformer.com)
I've finished the main game, and this one, I may actually 100 % — I'm currently chipping away at the final Ultimate challenge, after beating the story and all the other ultimate challenges. (waypoint.vice.com)