On the left of the screen, you can select the "base hero". The hero who will receive other heroes. This hero can be selected from the main team, the reserve or the lodge.
On the right, you can select the "material heroes" up to 50. You can only select these heroes from the reserve tab.
With this button, you can select heroes you want to fuse.
With this button, you let the game select the base and the material heroes.
You can switch between the selection by clicking this button.
This pop-up have a filter list and a sorted list.
|You can validate your choice with the button. Do the same thing with the material heroes. The filter list will only have "Reserve".|
First the game will suggest you identical heroes to fuse.
Then all heroes without exp to fuse to the "best" hero. And then all heroes without exp to fuse to your main character.
Click the blue button to accept the suggestion.
This is the confirmation window. The fusion has a cost. You can confirm with the button or cancel with the cross.