Add an option to continue to another dungeon

[IzumiRaito]

Seems fun, however it would require progressive increase of difficulty and ilvl sync, or it will be just an increase in loot, with same mindless grind.

A best content for such feature would be:

Completely randomly generated dungeon, with random amount of random trash mobs and bosses with random abilities and gimmicks. Enemy stats based on the party average ilvl.