To even utilize this jutsu, one must have a great reserve of chakra and excellent chakra control. Without these properties, the jutsu will be stabilized properly and will become less potent than it should be. In worst cases, the jutsu can backfire, instantly killing the user from the water pressure or at least severely wounding them. A great amount of water is needed as well, unless the user can use Water Release ninjutsu without pre-existing water sources. Iro Kuguari, who was a Water Release master, had to drain a massive lake to use this technique and had to rest for more than several days afterward. It is also possible to use a smaller volume of water and increase its pressure with chakra, though it is more exhausting. Lastly, building up the needed amount of water can take several min