

This article contains information that is no longer relevant to gameplay, but is kept here for informational purposes. He likened the idea to the tech trees of Civilization II. The idea for skill trees in Diablo II came from David Brevik according to Brevik himself, the idea came to him while he was in the shower.

Most summoned creatures disappear if their master dies, and may be killed by enemy attacks. Summon: creates a minion, pet, construct or any other independent entity which will fight on player's behalf.Usually the skill is maintained by holding the cast button continuously. Channeled: must not only be activated, but also maintained for the entire duration, most other actions (especially movement) being unavailable while doing so.


A skill can only be used when learned (equipped or invested skill points into), and the total number of skills character may have at a time is limited (unlike the first game, where one could, in theory, learn all spells that exist in the game world). Skills in Diablo II and Diablo III, unlike the first game, are tied to certain categories.
