Summoners War: Sky Arena

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Focus on attacking one monster until you kill it, instead of spreading out your attacks on all the monsters on the map.

Competing in the arena is a great way to rack up experience, crystals and some essential items for your monsters.

Having an efficient Healer in your team is a bare necessity if you want to be good at this game.

Completing daily missions will grant you 10 crystals every day.

You can earn experience points by building a lot of large rocks and then get rid of them, as each of them will grant you 100 experience points.

Use the special attacks as soon as possible as they have a recharge timer so you'll be able to use them multiple times in the battle.

You can use your friends' leader monsters once per day, so it's wise to have high ranked friends.