Here is a trove of advice and new rules for every AD&D game Dungeon Master who wishes to create adventures for truly legendary heroes. Find everything you need to create encounters that confound the craftiest wizard and chill the most valiant warrior's heart.
Fails to consider domain management as a play option entirely - thus ignoring a major traditional direction for D&D high-level play - and makes an ill-advised choice to extend the level structure to level 30 when barely any campaigns got close to level 20 to begin with (and the system starts seriously breaking down at around that point). Full review: https://refereeingandreflection.wordp...
High-level gameplay has always been a difficult subject for Dungeons & Dragons, but across all editions I think this one comes the closest to really nailing the concept, beating down its issues, and giving some really good advice. My current game is just hitting the high levels, and so I'm seeing myself reading this one more often soon.