Introduction: through NPC Linna, player can pay tribute by the following method, and after successfully pay tribute will get reward.
Type of tribute:
Holy ice tribute (can directly get Overload token)
军功章进贡（可直接获得军功）（暂时不放）
神秘物品进贡（可以直接获得金子）（暂时不放）
装备进贡（可以直接获得金子）（暂时不放）
Interface: we temporary use script conversation as exchange method
| Holy ice tribute |
| Holy ice*10+Tribute credential*1 =500 overload token |
| Holy ice200+Tribute credential*20=100000overload token |
| Merit tribute (can exchange only 1 time a day) |
| Large merit +Tribute credential*5=100,000 merit |
| Mysterious item tribute (can exchange 100 times a week) |
| Current mysterious item*1+Tribute credential*2=20 gold |
