Dwarves are strong and sturdy, but their single mindedness hinders them when dealing with others. +2 Constitution, -2 Charisma.
Medium-sized: As medium-sized creature, Desert Dwarves have no special bonuses or penalties due to their size.
Desert Dwarf base speed is 20, and they can move at this speed even if they are wearing medium or heavy armor, or if they are carrying a medium or heavy load.
Darkvision: Desert Dwarves can see in the dark up to 60 ft. Darkvision is only black and white, but it is otherwise like normal sight, and hill dwarf can function just fine with no light at all.
Weapon Familiarity: Dwarves may treat dwarven waraxes and dwarven urgroshes as martial weapons, rather than exotic weapons.
Stability: Dwarves are exceptionally stable on their feet. A dwarf gains a +4 bonus on ability checks made to resist being bull rushed or tripped when standing firmly on the ground.
Desert Dwarves are hardy and resistant to toxins. +2 racial bonus on saving throws against poison.
Desert Dwarves have an innate resistance to magic spells. +2 racial bonus on saving throws against spells and spell-like effects.
This bonus represents a special training that Badland Dwarves undergo, during which they learn tricks that previous generations developed in their battles with giants. Note that any time a character loses his positive Dexterity bonus to Armor Class, such as when he's caught flat-footed, he loses his loses his dodge bonus, too. +4 dodge bonus against dragons.
+2 Racial bonus on Knowledge (architecture & engineering), Knowledge (dungeoneering), and Profession (miner) checks, Desert Dwarves protect a great deal of information about what lies beneath the desert and how to reach it
+2 racial bonus on Appraise checks that are related to stone or metal items, Desert Dwarves are familiar with valuable items of all kinds.
A Desert Dwarves can go without water for two days (48 hours), plus a number of hours equal to his Constitution score, before beginning to experience the ill effects of Dehydration.
Dwarven Focus: A Desert Dwarf’s focus is the central point of their existence. Nothing is more rewarding to a Desert Dwarf than to complete a focus. A focus must take at least a fortnight to complete; anything less than that is too simple a task to be considered a focus. Dwarves receive a morale bonus working to complete a focus. The task must be directly related to the completion of the focus. +1 morale bonus on all checks directly related to their focus. This includes a skill bonus, an attack bonus, a damage bonus, or a saving throw bonus, or even a bonus to manifestation or spell save DCs.
Heat Tolerant: Desert Dwarves gain a +2 bonus on saving throws against heat-fire base effects. Desert Dwarves can also exist comfortably in conditions up to 120 degrees F without having to make a fortitude save. This counts as it the dwarf had the Heat Endurance feat for the purposes of fulfilling prerequisites for other feats or prestige classes.
Automatic Languages: Dwarven and Merchant's Tongue. Bonus Languages: Dragon, Gnome, Goblin, Orc, and Hobgoblin. Desert Dwarves are familiar with the languages of their enemies and of their subterranean allies.
Favored Class Fighter. A multiclass dwarf's fighter class does not count when determining whether he takes an experience point penalty for multiclassing. Dwarves culture extols the virtues of battle, and the vocation comes easily to dwarves.