Here is a level-by-level breakdown of what Druids after the guild rewrite (abilities and spells have been boldfaced) This is from the original anouncement about the rewrite from the boards, levels after 100th are not obtainable at this time so of course are subject to change.
Experiance Level | Ability Gained |
Upon Joining (15th-20th level) | Thorns spell, class titles |
16th level | ability score training point |
18th level | Conjure Herb spell |
20th level | Horns Of The Wild spell, Wildlife Knowledge auto-ability, ability score training point, class titles, racial titles |
23rd level | Calm Animal spell |
24th level | ability score training point |
25th level | Shapeshifting Ability, Wolf Form (shapeshifting), class titles |
27th level | Chameleon Skin spell |
28th level | ability score training point |
30th level | Pollen spell, class titles, racial titles |
32nd level | ability score training point |
33rd level | Pelloni's Gift spell |
35th level | Crocodile Form (shapeshifting) |
36th level | ability score training point |
37th level | Insight spell |
40th level | ability score training point, class titles, racial titles |
44th level | ability score training point |
48th level | ability score training point |
50th level | Scorpion Form (shapeshifting), class titles, racial titles |
56th level | ability score training point |
60th level | class titles, racial titles |
64th level | ability score training point |
70th level | class titles, racial titles |
72nd level | ability score training point |
75th level | Bear Form (shapeshifting) |
80th level | ability score training point, class titles, racial titles |
88th level | ability score training point |
90th level | class titles, racial titles |
96th level | ability score training point |
100th level | Tiger Form (shapeshifting), class titles, racial titles |
104th level | ability score training point |
112th level | ability score training point |
120th level | ability score training point |
125th level | Griffon Form (shapeshifting) |