Respec

Respec is a MMO term that means somehow changing your character build that you already have.

In DDO you can respec: As of Update 2, it is not possible to respec your class, race, alignments or skills. The reincarnation system is planned to be released in Update 3.
 * enhancements by talking to your class trainer
 * spells (for bards and sorcerers) by talking to your class trainer
 * feats by talking to Fred


 * * Lesser and Greater Reincarnation - you lose all quest flags and raid completions.
 * * True Reincarnation - in addition to quest flags and raid completions, you lose all all XP, favor, and tomes used.

Costs to Respec a feat
There is a quest given by Lockania in the Marketplace to gain a free feat respec token once per character. Beyond that, both gold and a dragonshard are required, with the amount/type depending on the current character level.