The Blind Sage:
The Bat's ability to hear is great, but it's ability to track it's pray and sense even though it is blind is far greater then any other race. When he becomes the sage of Bats, not only does his hearing and sensing increase, but his phyicle strenght and regeneration will increase. The only downside is that my eye sight will weaken while I use this ability, as well as the chance of becoming a stone bat statue.
To activate it Ayperos places his hands in a prayer like stance, where he draw the energy of nature into his body and blends with his own chakra, this adds a new dimension of power to Aypero's chakra, resulting in the creation of senjutsu chakra. This chakra cannot be seen by anyone other than those who have been trained in senjutsu. This new chakra enables Ayperos to enter Sage Mode, which can then drastically increase the strength of all ninjutsu, genjutsu, taijutsu, hearing, sensing increase, and regeneration.
This also forces his Rinnegan to turn a dark blind gray color, his skin darkens, fangs, and some of his skin features transform to something like a bat's (like pointy ears and grows fangs but not anything drastic like huge ears).
The Bat's ability to hear is great, but it's ability to track it's pray and sense even though it is blind is far greater then any other race. When he becomes the sage of Bats, not only does his hearing and sensing increase, but his phyicle strenght and regeneration will increase. The only downside is that my eye sight will weaken while I use this ability, as well as the chance of becoming a stone bat statue.
To activate it Ayperos places his hands in a prayer like stance, where he draw the energy of nature into his body and blends with his own chakra, this adds a new dimension of power to Aypero's chakra, resulting in the creation of senjutsu chakra. This chakra cannot be seen by anyone other than those who have been trained in senjutsu. This new chakra enables Ayperos to enter Sage Mode, which can then drastically increase the strength of all ninjutsu, genjutsu, taijutsu, hearing, sensing increase, and regeneration.
This also forces his Rinnegan to turn a dark blind gray color, his skin darkens, fangs, and some of his skin features transform to something like a bat's (like pointy ears and grows fangs but not anything drastic like huge ears).
Echolocation
Spectrogram of Pipistrellus pipistrellus (Common Pipistrelle) bat vocalizations - one echolocation call, followed by series of multiharmonic pulses, forming a social call (here, precisely, an advertisement call, produced by territorial male during the mating season in autumn). Ayperos can call upon bats with this
Bat echolocation is a perceptual system where ultrasonic sounds are emitted specifically to produce echoes. By comparing the outgoing pulse with the returning echoes, the brain and auditory nervous system can produce detailed images of the bat's surroundings. This allows bats to detect, localize and even classify their prey in complete darkness. At 130 decibels in intensity, bat calls are some of the most intense, airborne animal sounds. To clearly distinguish returning information, bats must be able to separate their calls from the echoes they receive. Microbats use two distinct approaches.
Low duty cycle echolocation: Bats can separate their calls and returning echos by time. Bats that use this approach time their short calls to finish before echoes return. This is important because these bats contract their middle ear muscles when emitting a call so they can avoid deafening themselves. The time interval between call and echo allows them to relax these muscles so they can clearly hear the returning echo. The delay of the returning echos provides the bat with the ability to estimate range to their prey.
High duty cycle echolocation: Bats emit a continuous call and separate pulse and echo in frequency. The ears of these bats are sharply tuned to a specific frequency range. They emit calls outside of this range to avoid self-deafening. They then receive echoes back at the finely tuned frequency range by taking advantage of the Doppler shift of their motion in flight. The Doppler shift of the returning echos yields information relating to the motion and location of the bat's prey. These bats must deal with changes in the Doppler shift due to changes in their flight speed. They have adapted to change their pulse emission frequency in relation to their flight speed so echoes still return in the optimal hearing range.
Advantages: Drastically increases the strength of all ninjutsu, genjutsu, taijutsu, hearing, sensing increase, and regeneration.
Weakness: large-scale use of Universal Pull Almity Push and Planetary Devastation slows down the recovery rate. Bright Lights, Lighting release moves that generates bright light, large things that hunts bats, and strong mirrors.
Weakness: large-scale use of Universal Pull Almity Push and Planetary Devastation slows down the recovery rate. Bright Lights, Lighting release moves that generates bright light, large things that hunts bats, and strong mirrors.
Rank A Bat Sage Art: Sonic Boom:
A sonic boom is the sound associated with the shock waves created by an object traveling through the air faster than the speed of sound. Sonic booms generate enormous amounts of sound energy, sounding much like an explosion. The crack of a supersonic bullet passing overhead is an example of a sonic boom in miniature. Ayperos mimics that by using intense high frequency sound waves, this can easily force his enemies to fall and cover their ears. If not blocked, this would cause the enemy's eyes to bleed or even burst.

Rank BBat Sage Art: Vampire Hypnosis
By using sound waves, Ayperos emit a low frequency that calls upon the target. Upon hearing the sound waves, the target is drawn into Ayperos no being able to think of anything but going too Ayperos. Inside the users head they hear "Come Child, I have what you need." Or "Aren't you cold child... Come too me."
Requires no Chakra Bat Sage Art: Fanged Feast
These teeth resembles insectivorans, they are very sharp to bite through the hardened armor of insects or the skin of fruit. Some species of bats consume blood exclusively as their diet. This type of diet is referred to as hematophagy, and three species of bats exhibit this behavior. These species are the common, the white-winged, and the hairy-legged vampire bats. The common vampire bat typically consumes the blood of mammals while some others assume the blood of birds. Ayperos inherits the trait of the blood bat, this allows him to consume the blood of a mammal, gaining 15 Hp each bite. However, if their blood is rich in Chakra, such as Jinchuriki or Kekkei genkai users, Ayperos can drink that blood can gain and drain 15 cp from the user.
(This ability's does 15 Hp damage and 15 Cp if a Jinchuriki or Kekkei genkai user, the only downsides is that Lighting release damages Ayperos by 10 HP and he cannot drink it. Also, Ayperos has to get a successful bite on the target.)
SS Rank (30 cp taken from normal supply) Bat Sage Art: Winged Demon
The finger bones of bats are much more flexible than those of other mammals, owing to their flattened cross-section and to low levels of minerals such as calcium near their tips. The skin on their wing membranes has more elasticity, so can stretch much more than other mammals. The wings of bats are much thinner than those of birds, allowing bats to maneuver more quickly and more accurately than birds. It is also delicate, ripping easily; however, the tissue of the bat's membrane is able to regrow, such that small tears can heal quickly. The surface of their wings is equipped with touch-sensitive receptors on small bumps called Merkel cells, also found on human fingertips. These sensitive areas are different in bats, as each bump has a tiny hair in the center, making it even more sensitive and allowing the bat to detect and collect information about the air flowing over its wings, and to fly more efficiently by changing the shape of its wings in response. An additional kind of receptor cell is found in the wing membrane of species that use their wings to catch prey. This receptor cell is sensitive to the stretching of the membrane. The cells are concentrated in areas of the membrane where insects hit the wings when the bats capture them. Ayperos gains the form if a humanoid Bat, which gives him all the abilities of a Bat and increases his strength, hearing, and sensing tenfold.