The following was copied from Exxy's post on the boards explaining what the guild looks like after the rewrite.
Here's a basic list of abilities/features and their level requirements for Barbarians. I have boldfaced items of particular interest (abilities and clan memberships):
Experiance Level | Ability Gained |
Upon Joining (10th-20th level) | class titles |
12th level | ability score training point |
13th level | class titles |
15th level | Charge Attack ability |
16th level | ability score training point, class titles |
20th level | Parry ability, ability score training point, class titles, racial titles |
24th level | ability score training point |
25th level | class titles |
28th level | ability score training point |
30th level | Affix Barbs ability, can join FrozenHeart Clan, class titles, racial titles |
32nd level | ability score training point |
35th level | can join BloodJaw Clan, can join SteelBand Clan, class titles |
36th level | ability score training point |
40th level | Bash Boxes ability, can join GoreHunger Clan, ability score training point, class titles, racial titles |
44th level | ability score training point |
45th level | class titles |
48th level | ability score training point |
50th level | Disarm Opponents ability, class titles, racial titles |
56th level | ability score training point |
60th level | Warcry ability, class titles, racial titles |
64th level | ability score training point |
70th level | Whirlwind Attack, Warcry upgrade #1, class titles, racial titles |
72nd level | ability score training point |
80th level | Warcry upgrade #2, Whirlwind upgrade #1, ability score training point, class titles, racial titles |
88th level | ability score training point |
90th level | Whirlwind upgrade #2, class titles, racial titles |
96th level | ability score training point |
100th level | class titles, racial titles |