+1 to Skill Tree(GC Prefix)

+1 Amazon Bow and Crossbow Skills
+1 Amazon Passive Skills
+1 Amazon Javelin and Spear Skills
+1 Sorceress Fire Skills
+1 Sorceress Lightning Skills
+1 Sorceress Cold Skills
+1 Necromancer Curses
+1 Necromancer Poison and Bone Spells
+1 Necromancer Summoning Spells
+1 Paladin Combat Skills
+1 Paladin Offensive Auras
+1 Paladin Defensive Auras
+1 Barbarian Warcries
+1 Barbarian Combat Masteries
+1 Barbarian Masteries
+1 Druid Summoning
+1 Druid Shapeshifting
+1 Druid Elemental
+1 Assassin Traps
+1 Assassin Shadow Disciplines
+1 Assassin Martial Arts

You can choose one of them.