The Burnt World of Athas

The official Dark Sun website

Thri-Kreen Feats and Powers

Thri-kreen stalk the athasian wastes, using
every advantage they have, from their ancestors
wisdom to their own psionic powers.

Below are racial feats and utility powers suitable for thri-kreen in
your 4th edition D&D game.

Ecology of the Tarek

Violent and aggressive, Tarek tribes terrorize the mountains they inhabit under the commands of their earth shamans.

Netproject: Armor of Athas

In the late 90's a series of unofficial Dark Sun Netprojects were created on the Dark Sun mailing list. This list of Athasian Armor is one such project. The multitude of second edition stats for armor allowed a variance of each type of armor made from different Athasian creatures, creating a rich, detailed setting.