Dungeon magazine 156

Dungeon issue 156 was released in July of 2008 in online format only. It contained the following articles related to the Forgotten Realms:

Forgotten Realms: Thunderspire Conversion
By Greg Bilsland, illustrated by Chris Seaman. p. 106-111

If you’re interested in converting Thunderspire Labyrinth to your Realms campaign, look no further than this detailed advice and alternate encounters for H2.