This item serves as a substitute for finding scouting disciples, granting half the max intel instantly. Having two on-hand will let a player reach maximum intelligence instantly, saving a lot of time that would be spent running or waiting for skill cooldowns.
This is mostly found in Exploring Jianghu, where it drops after every 3 and 5 rounds.
Infiltrate and Investigate
Directly know the secret of the enemy's sect. Using it in spying can get 5 pieces of intelligence immediately. (The number of spying intelligence will not more than 10. Please use it carefully.)