Though Reaper of Souls' story additions feel too open-ended, the new Crusader class and Adventure Mode go a long way towards revitalizing Diablo's inherently fun and addictive core gameplay.
Crusader class is spectacular in both gameplay and character; Adventure Mode breathes new life into old environments; Loot overhaul makes killing monsters so much more gratifying
Act 5 is more a brief interlude than an epic conclusion; Raw amount of new content may not justify the expansion's price tag