S Tier Monsters

Name of Race: Vampire
Lifespan: Indefinite
Appearance: Vampires are very similar or identical to humans but they have sharp fangs, red eyes.
Abilities/Powers:
Enhanced Strength: Vampires gain +400 Strength
Weakness to Water: Vampires are weak to water, having their life forces reduced within it
Brief History: Often mentioned in the folklore of various cultures: a monster that sucks the blood of humans and livestock. Possesses high battle capabilities and is not easy to kill. Its strength is one of the greatest among monsters. On the other hand, vampires have many weaknesses such as being weakened by rosaries and water. Also known as the Immortal Ones.
Starting Rank: E-5 to S-5

Name of Race: Werewolf
Lifespan: 500 - 1,000 years
Appearance: Depending on the time and date, a werewolf is in either Human form or in its true form. In its true form, a Werewolf appears as a powerfully built humanoid creature, with double-jointed legs, a wolf-like tail, and a hairy, muscular body. The head and face take possess a wolf-like form, which is accompanied by an impressive mane of hair, not that dissimilar from a lion or a horse.
Abilities/Powers:
Enhanced Speed: Werewolves are known for their speed, +400 to speed.
Moon Boost: Their speed is boosted further in direct light of the full moon. x2 speed.
Brief History: A werewolf is a ferocious wild beast-like monster. Normally it is in human form, however, on moonlit nights, it transforms into a werewolf. The relationship between the werewolf and the moon has been known since the 16th Century, with its power increasing based on the strength of the moonlight. A beast of western origin. In exchange for its lack of a unique ability, its physical power towers above the rest. Especially in terms of agility, it is said that there is no equal. It possesses a deep connection to the moon, where its strength increases proportional to the intensity of moonlight.
Starting Rank: E-5 to S-5

Name of Race: Demon
Lifespan: Indefinite
Appearance: Demons make up a large group of monsters in the world of Rosario + Vampire and they can have many varying themes like the Raijuu (thunder demon) or even the crow tenguu (crow demon). They have been lumped together in this category and this race can also be used to express a few that haven't been shown in the manga or anime just look at the qualifications. Unless a demon is specifically listed elsewhere it can found here and usually originates from hell or a sinister place in the monster world.
Abilities/Powers:
Elemental Manipulation: Demons are able to convert their Yoki into a particular element, each demon is only able to do this with a SINGLE element.
Hyper Form: Once Demon's reach S-tier, they are able to enter a 'hyper form' which increases a single stat by +400.
Brief History: Demons have existed long before most other races, and have attained a level of fame and power many respect and hold in high regard.
Starting Rank: E-5 to S-5

Name of Race: Yoko
Lifespan: 1,000 - 9,000 years
Appearance: As befitting their name, the Yōko fit the general shape of their animal counterpart, the fox. However, a Yōko is a Human-sized or larger creature, possesses multiple tails, and despite its fox-like form, is actually a humanoid creature, with appropriately present hands, though they can also be on all fours if they choose to. Another signature feature is that they sometimes possess a number of elaborate, tattoo-like markings on their bodies, concentrated on the shoulders up to the head, though this is likely dependent on factors such as the type, power level, age, etc. One unique aspect of this species is that their appearance changes over time, which is directly correlated to the number of tails that he or she may have, which is in turn tied to factors such as time, inherent talent, training, etc. and the overall gaining of wisdom during ones lifespan. These factors in turn will increase the number of tails that a Yōko will possess; the more tails, the stronger and wiser the Yōko will be. Yōko can have as many as nine tails, hence the representative for all classes of Spirit Foxes is the nine-tailed fox, the pinnacle of this species. At that point, they are at their highest stage of power, which is potent enough for them be worshiped and renowned as gods by humans and monsters alike, which is when they are firmly placed in the S-class category of monsters.
Abilities/Powers:
Kitsune-Bi: They have the ability to use Kitsunebi (Fox Fire). This fiery manifestation of their yōki is their primary weapon, which covers their bodies and is generated either in their hands or most notably, when they lash their tails together. This burning energy is extremely hot, and possesses the potential to burn almost any enemy to ashes. A Human struck by a blast of Kitsunebi has almost no chance of survival unless they are immediately healed
Battle Mode: In this form, the Yōko's body is optimized for combat, possessing significant physical strength, speed, stamina, and a high resistance to incoming damage. Another important feature is that their yōki is highly concentrated and compressed, giving them a higher level of power than their Human or base-line forms. This is potentially valuable, for if a Yōko faces an opponent stronger than itself, such as a Vampire, it would have at least some chance of survival. +100 Str, Spd, End, Monster Energy per tail.
Tails:
1 tail: E-5 to E-3
2 tails: E-2 to D-5
3 tails: D-4 to C-3
4 tails: C-2 to B-4
5 tails: B-3 to A-5
6 tails: A-4 to A-1
7 tails: S-5 to S-3
8 tails: S-2 to S-1
9 tails: X Rank ONLY
Brief History: The generic term for the Inari, Kudagitsune, and Osaki classes of spirit foxes. Represented by the nine tailed fox, many have very strong supernatural energy. Also, when they beat their tails together, they create something known as "kitsunebi" (fox fire) and completely burn any human who does them harm.
Starting Rank: E-5 to S-5

Name of Race: Dragon
Lifespan: 5,000 - 6,000 years
Appearance: Appear as large, scaly reptilian creatures that have two leathery wings.
Abilities/Powers:
Elemental Breath: Dragons are capable of converting their Yoki into elemental breath attacks, using a single element.
Magic Resistance: Dragons are resistant to magic, in that magic attacks lose -400 power when used on a dragon.
Brief History: Known to have appeared throughout history, especially during the middle ages to attack castles and other fifes. They are known to eat people and livestock after roasting them, and to hoard gold.
Starting Rank: E-5 to S-5

Name of Race: Ghoul
Lifespan: 70 - 300 years
Appearance: Ghouls appear with silver hair, red eyes and black sclera as well as the normal fangs for vampires. They have no control over this form and must be sealed to maintain a human appearance. When sealed, if they access their Yoki, their eyes will generally turn red, and they may gain white streaks in their hair.
Abilities/Powers:
Enhanced Strength and Speed: Ghouls have enhanced speed and strength due to the unbridled vampiric blood in their veins +400 strength and speed
Bloodlust: Ghouls will lose total control over themselves and go berserk at the sight or smell of blood. They can sometimes direct their bloodlust at an enemy ot away from allies, but this is not always the case.
Brief History: Ghouls are those unfortunate enough to have monster blood injected into their bodies forcefully, only to be unable to contain it and transform into an unintelligent killing machine
Starting Rank: E-5 to S-5

Name of Race: Phoenix
Lifespan: Indefinite
Appearance: the Phoenix's appearance is completely different. Unlike the hatchling form, the true, grown form of the phoenix is that of a graceful, majestic, fire-covered bird of tremendous size, strongly resembling a swan in shape. However, notable differences include two long feathery streamers coming off the back of the head, and fiery, glowing eyes. In addition, they also possess a long, graceful tail, and long, dark, powerful legs.
Abilities/Powers:
Reincarnation: Once a phoenix dies, its body bursts into flames and is reduced to ash. From these ashes one post later, a rejuvenated phoenix arises!
Concussive Fire: The most powerful weapon of the Phoenix is their ability to unleash tremendous blasts of fire and kinetic energy, primarily issued forth from the mouth. This attack is easily capable of obliterating most opponents in an instant, and in top-ranked, mature Phoenixes, is even capable of destroying mountains.
Brief History: Legendary Fire Birds, spoken of in myths from around the world.
Starting Rank: E-5 to S-5

Name of Race: Shinigami
Lifespan: 1800 - 2500 years
Appearance: Appear generally as normal humans, though when in their monster form they take on a more skeletal appearance, generally with a hooded robe of some sort. Their eye sockets while empty generally glow with an ethereal light.
Abilities/Powers: Able to summon forth a 'soul weapon' which they use to preform the duties of a Death God. They can generally be anything, though scythes are common.

Enhanced Speed [+100 Speed]
Brief History: An ancient race, one that is revered for their important role in both the monster world as well as the human one and their innate connection to death. They have been around for as long as anyone knows and will most likely be around long after people are gone.
Starting Rank: E-5 to S-5