Dervish Attributes

Mysticism (PRIMARY ATTRIBUTE)
Whenever an Enchantment ends, you gain 3 Health for each rank of Mysticism and 1 Energy for every 2 ranks of Mysticism.

Scythe Mastery
Scythe Mastery increases the damage you do with scythes and your chance to inflict a critical hit when using a scythe. Many skills, especially scythe attack skills, become more effective with higher Scythe Mastery.

Wind Prayers
No inherent effect. Many Dervish Spells, especially those dealing with movement or cold damage, become more effective with higher Wind Prayers.

Earth Prayers
No inherent effect. Many Dervish Spells, especially those dealing with defense or Earth damage, become more effective with higher Earth Prayers. http://www.guildwars.com/events/ingame/gwn-pvppreview.php