The Legerdemain skill-line is part of the "World" category in the Elder Scrolls Online. The Legerdemain skill-line consists of only passive abilities that are meant to increase your efficiency in pickpocketing and fencing.

To obtain the Legerdemain skill-line you have to simply pickpocket something from an NPC or pick a lock on any of the locked doors in the Elder Scrolls Online.

To level up the Legerdemain skill-line in the Elder Scrolls Online you have several options. The first option you have is laundering/ fencing items, that will give you 1 point towards the Legerdemain skill-line. The second option is lockpicking, depending on the difficulty of the lockpick, you will gain between 1-8 points. The third option is pickpocketing NPCs, here you can earn 1 - 4 points depending on the difficulty of the target.