You can become VIP of OPTD once recharge some amount. 【Advanced Explore】 and 【Expert Training】 will be open at VIP1, More rare items could be gained from 【Advanced Explore】, while 【Expert Training】 could offer more exp for your companions and pull them up as the main teammate.
Besides, preferential treatment is provided for VIP. You can buy some items in the shop by the gold you just recharged at a VIP discount.The【Medium Recruit】is recommended, you can recruit some stronger companions with that.
VIP level and the counterpart privileges