# How to level up heroes

### **Heroes need to upgrade their levels**:

advanced stones, gold coins, experience points.

### **Source of gold coins**:&#x20;

Challenge Bosses, receive gold coins, fast raid, gold coins trial, daily tasks, on-hook earnings, voyages bounty, etc.

### **Source of experience points**:&#x20;

Challenge Bosses, fast raid, on-hook earnings, experiences trial.

### **Source of advanced stone**:&#x20;

Hero Sacrifice in the Hall of Ascension, fast raid, daily quest of emerald tower, advanced stone and gold coin trial
