So you want to play a wizard in Diablo 3? They are exciting to play and have many skills both passive and active. What type of skill your wizard will have will depends on the type of character you want to play.
During gameplay you will acquire runes. Runes when applied will increase the ability of your character making your wizard much stronger over time. As you level up, the runes will grow in strength as well.
All wizards gain four primary skills that cause spell damage and are free to cast. You will also gain secondary skills and conjuration skills, defensive skills, force skills, and mastery skills. The spell damage from each type of skill will vary and change as your level increases in the game.
The Passive skills for your wizard will include beneficial things to occur for you and you won't have to cast them, though some rely on other things to happen before they help you. For example, the passive skill power hungry will only activate once you are healed by a health globe and once you are you will gain thirty arcane power points. Other passive abilities include blur which decreased melee damage taken, glass cannon that increases damage but decreases armor, illusionist automatically resets cool down on other abilities if you take more than a 15% hit in one hit, and cold blooded will increase damage dealt to frozen or chilled enemies by twenty percent. Those are just a few of the many passive skills your wizard will gain during gameplay.
PVP options with a wizard are a little tricky. If the mob is a higher level than you then perhaps teleporting and attacking from a short distance away is your best bet. If the other player is of a lower level than you then perhaps you should try to freeze and kite them.

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