There is no definitive answer to what the best magic in Arcane Odyssey is, as it depends on personal preference and playstyle. However, some magics are considered more versatile and powerful than others. Here are some of the most commonly mentioned magics as the best in Arcane Odyssey, according to the search results:

• Explosion: This magic is known for its raw destructive power and damage-dealing capacity. It is also one of the most balanced and well-rounded magics.

• Lightning: This magic is considered one of the best in Arcane Odyssey due to its ability to remove many of the effects of other magics, including bleeding. It can also deal bonus AoE damage underwater.

• Metal: This magic is known for its high clash advantages and few disadvantages, making it a powerful choice in battles.

• Poison: This magic has decent speed, decent size, and really good damage, including damage over time (DOT) .

• Crystal: This magic is versatile and can be used effectively by warlocks, conjurers, and mages. It buffs itself with its own attacks and has very good damage even on its own.

• Fire: This magic has a DOT on every hit like poison, though weaker. It is quite fast, does decent damage, and is considered the basic of basic when it comes to magic.

• Glass: This magic is high in damage, speed, and overall stats. It has bleed built-in, which is a strong DOT, and gets bonus damage from hitting bleeding targets.

Its worth noting that all magics in Arcane Odyssey are more or less balanced, so players can choose the one they like best. Additionally, some magics have advantages and disadvantages when faced with another magic, so players should consider this when choosing their magic.