Tonjutsu (遁術)
Tonjutsu is a technique of Ninjutsu to hide or escape from enemies.
It is also called Goton Sanju-ho, which consisted of thirty techniques of Tenton Ju-ho, Chiton Ju-ho, and Jinton Ju-ho in all.
Tenton Ju-ho
A way of escape making use of weather. For the effective use, ninja trains to be able to foresee the later weather from the present look of sky.
Nichiton-Making use of the sun. (e.g.) Dazzle the enemy's eyes by standing with the sun at back.
Getsuton-Making use of the moon. (e.g.) Escape in the darkness where the moon is hidden behind clouds.
Seiton-Making use of stars.
Unton-Making use of clouds.
Muton-Making use of fog. (e.g.) Advance while the field of vision is bad due to dense fog.
Raiton-Making use of thunder. (e.g.) Foresee thunder clouds and reconnoiter under cover of thunder.
Denton-Making use of electricity. (e.g.) Escape while enemies flinch from static electricity.
Futon-Making use of wind.
Uton-Making used of rain. (e.g.) Escape as soon as the field of vision becomes bad by the sudden evening shower.
Setsuton-Making use of snow. (e.g.) Escape in the snowstorm in outfit for cold weather prepared in advance.
Chiton Ju-ho
A way to escape making use of things or topography.
Mokuton-Making use of trees. (e.g.)Push down leaning lumbers.
Soton-Making use of grass. (e.g.) Trap enemy's foot with tied grass to fall dawn.
Katon-Making use of fire. (e.g.) Make a fire.
Enton-Making use of smoke. (e.g.) Make a smoky screen emerge.
Doton-Making use of earth. (e.g.) Throw earth at enemies.
Okuton-Making use of a building. (e.g.) Escape under the floor.
Kinton-Making use of hardware.
Sekiton-Making use of stone. (e.g.) Throw a stone at enemies.
Suiton-Making use of water. (e.g.) Distract enemies' attention by tapping sound of water.
Toton-Making use of boiled water. (e.g.) Throw some boiled water at enemies.
Jinton Ju-ho
A way to escape making use of human beings or animals.
Danton-Making use of a male.
Joton-Making use of a female.
Roton-Making use of an old person. (e.g.) Disguise.
Yoton-Making use of a child. (e.g.) Using a child as decoy.
Kiton-Making use of a high-ranking person.
Senton-Making use of a low-ranking person.
Kinton-Making use of a bird. (e.g.) Using a hawk as decoy.
Juton-Making use of animals
(e.g.) Having a horse rage to cause a mess.
Chuton-Making use of insects, reptiles, and amphibians. (e.g.) Throwing a snake.
Gyoton-Making use of fish.
Supplementation
Although some particular depiction is used for the scene where an enemy is given a damage in the fight in a lot of visual entertainments such as comics or games (such as Katon=blowing out fire from mouth), it is nothing but a technique to escape by blocking enemy's action, and it can never be an action for the purpose of attacking enemy.