Haven't seen you for a long time, how about your CTF skills improvement? Do you still have a secret memory of last year's diary, the happy smiling face and the unforgettable special training camp?
Time flies, the second XMan special training camp has begun to sign up! The organization miss every XMan student, so there is a specially preparation for 52 XMan to have a unique "secret code" -- the coupon code, the secret code has been sent to your mailbox, please pay attention to check!
the opportunity is limited, just special for you!