3+3 is better.

3+3 is 3 Arcane Charge + 3 Ice Arrow. Ice Arrow eliminates the Arcane Charge debuff and then uses the Arcane Charge debuff for 1.5 seconds to get an Arcane Charge for free, so 3+3 is better.

Arcana is a genre of mage profession in the game World of Warcraft. "World of Warcraft: The Burning Crusade" is a massively multiplayer online role-playing game developed by Blizzard of the United States. It was released in January 2007. It was released in Europe, the United States, and Canada on the night of the 16th, and sold 2.4 million copies in one day. It was released in Australia, New Zealand, South Africa, and Singapore on January 17, 2007. The total world sales in the first month reached 3.5 million copies. Among them, 1.9 million are in North America and 1.6 million are in Europe. It was released in South Korea on February 2, 2007, and was launched in Taiwan, Hong Kong, and Macau on April 3, 2007. Mainland China was also released on September 6, 2007, becoming the last region to go online.