Dragon Strikers Hearts

Hearts

Tips to make use of the hearts to the fullest

Do not purchase the lucky draw from the shop using 100 hearts it only yields 1*-3* rune or pets. It also only returns you about +40 points into the Lucky Key bar
Purchase the 1 hour glass for 50 hearts, reason being it allows you to farm more gold, more exp and get a 2*~ 3* rune/pet from hard mode, and +10 points to the Lucky Key bar.
Events that increase the number of hourglass you get from purchasing hourglass, this also increase the number of hourglass if you mass buy using hearts.

Ways to get hearts
Through Pet Wars, regardless of winning or losing you will still get a standard amount of hearts.
Sending friends hearts you will receive one heart per friend sent.
Placing your best pets as leader when you are taking a break for your friends to use, everytime a friend uses your pet you gain 10 hearts, have to restart the game to receive the hearts.