Well I can confirm that nothing interesting happens if you get the scroll with a Dwarven Fighter with normal stats.
Does anyone else think that the goal is the scroll itself? My guess is that you can't really do anything with it. Just bragging rights I suppose.
Completed: All Races, All Classes. Twice.
Fastest Run: Dwarf Mindcrafter - 34803 turns. No wand of tele.
Challenge Games: C- CK (stupid ending), Platinum Girdle x10, Westside Story, Team Teleport - illiterate troll barb, Scroll of Omnipotence obtained
ULE - DE Archer