Because increasing the Hero level substantially increases HP and Power as well. Heroes make it easier to win the game and defeat the enemy troopers. Therefore try completing as many events as possible and increase your rank tremendously. Complete events as well to earn amazing rewards. All players will receive a free chest timely which offers gems, coins, and components sometimes. Moreover, if you are finding it difficult, you can collect it from free chests as well. But gem hunting is something you need to master in this game. Besides, the most precious thing you’ll get from the quests is gems.
Make sure to complete the respective tasks required to access quests. A point that you must remember from this Top War: Battle Game Guide is to not forget that there are quests.