On the dates of Nov 11th – Nov 13th, there will be 2 top-up events that can help you in Heroes of Gaia.
Any user that tops-up will get 20% rewards points. For example: Top-up 100 points will get you a bonus of 20 points rewards.
For first time top-up users, you will get a 50% reward points. For example: Top-up 100 points will get you a bonus of 50 points reward.