In the case of Eidetic Memory books, the addon also shows you the quest that is associated with these books. The map pins for these books are divided into three different categories - Unknown books, Collected books, and Eidetic Memory. This addon works pretty much just like the previous one but shows the location of lore books instead of Skyshards. 20 Best The Elder Scrolls Online Addons for 2019 Upon collecting three of these items, you are granted a free skill point to spend as you see fit. Skyshards are very useful items that can be found all over the world of Tamriel. Instead of mods you can install add-ons, which are sort of similar in concept. Well, things work a bit differently with this one. With the latest expansion Elsweyr having been released just a few months ago, The Elder Scrolls Online is now more popular than ever. Looking for the best ESO addons to spice up your game in ? The Elder Scrolls Online is more than five-years-old at this point and although it had a bit of a rocky launch, ZeniMax eventually managed to turn it out.