Do the required hand seals; Bird → Rat → Ox → Monkey → Rat → Snake. This let's you make chakra infuses rain which allows you to sense other chakra through contact with the water...
(Suiton: Ukojizai no Jutsu) - Water Style: Rain Tiger at Will Technique
Rank: C
Type: Supplementary
Range: Short-Long
Chakra cost: 15
Damage Points: N/A
Description: A perception ninjutsu, allowing one to freely manipulate rain infused with the user's own chakra after waving the Bird → Rat → Ox → Monkey → Rat → Snake hand seals. The rain falls from rain clouds, formed with the users own chakra. During this technique, the falling raindrops are closely linked to the users senses. When the rain is obstructed by a chakra belonging to someone the existence of the target can be detected. The rain will keep on falling until the user uses the seal to cancel it.
(Suiton: Ukojizai no Jutsu) - Water Style: Rain Tiger at Will Technique
Rank: C
Type: Supplementary
Range: Short-Long
Chakra cost: 15
Damage Points: N/A
Description: A perception ninjutsu, allowing one to freely manipulate rain infused with the user's own chakra after waving the Bird → Rat → Ox → Monkey → Rat → Snake hand seals. The rain falls from rain clouds, formed with the users own chakra. During this technique, the falling raindrops are closely linked to the users senses. When the rain is obstructed by a chakra belonging to someone the existence of the target can be detected. The rain will keep on falling until the user uses the seal to cancel it.