Item:Tome of Skill

Introduced in Update 18 a Tome of Skill also known as a Skill Tome is a rare and powerful book that permanently grants an +x inherent bonus to one skill, as noted when hovering over the skill.

Skill tomes come in the range of +1 to +5.

Skill tomes can be universal (e.g. those included with Shadowfell Conspiracy purchase) - you can select which skill to improve while reading the tome (except UMD). Another variety is skill specific tome, e.g. Tome of Skill (Perform +1).

Upgrade Tomes of Skill were introduced in Update 18.2.

Unwanted tomes can be traded in for Purified Eberron Dragonshard Fragments (BtA).

Acquired by:
 * Saga end rewards.
 * Purchase from the DDO Store,
 * Daily Dice prize
 * Silver Daily Dice prize on a roll of 97-99: +1, +2, and +3 versions.
 * Gold Daily Dice prize on a roll of 97-99: +4, and +5 versions.
 * Can drop in chests.
 * Can drop in 20th raid completion lists.
 * Anniversary Card Collection reward

Minimum level
Since Update 28 Patch 1, all newly acquired tomes have a minimum level of 1. Since Update 37 Patch 1, the inherent bonuses are applied according to the following table:
 * +1 and +2 bonuses will be applied at level 1 and higher
 * +3 bonuses will be applied at level 3 and higher
 * +4 bonuses will be applied at level 7 and higher
 * +5 bonuses will be applied at level 11 and higher

Using tomes

 * You open barter interface - once selected specific tome of skill appears in a backpack, select the skill you want to increase once in the game.
 * You cannot select Use Magic Device. UMD tomes are available separately but only from +1 to +5.