Whether the price of Jianghu Grand Theater tickets purchased on-site is 100 yuan needs to be determined based on the specific pricing and event conditions of the theater. Generally speaking, the price of on-site ticket purchases may be the same as the online pre-sale price, but may also be adjusted due to factors such as queuing time and on-site activities. It is recommended that you contact the theater customer service directly or go to the theater to learn the latest ticket information.