Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
the sapphire crystal is importand because you get mana and youre Overload do more damage (200 mana = 20 dmg). With tear of goddes you get more mana when you cast spells (4 mana per spell). The sourcerer shoe and Void staff give you magic penetration (spells do more damage). With Archangels staff and rod of ages you get hp and a lot of mana archangles staff gives you more ability power when you have got more mana. The soulstealer stacks and gives you massive of ability power. ThonyaÃ�ï¿½Ã¯Â¿Â½Ã�ï¿½Ã�Â´s ring is the most importand item of all items youÃ�ï¿½Ã¯Â¿Â½Ã�ï¿½Ã�Â´ve got with rzye because you get 120 ability power and 25% of youre whole ability power.