Welcome to Gaia! ::

This is where you will learn the basics of hollows from me. Ok so first I would like to start with a ranking system

1.) Regular hollows are formed when a human soul is either eaten by a Hollow, their chain runs out, or they become evil. Example

2.) Gillian: Giant creatures that dwarf most other hollow. However Most are mindless creatures that follow orders blindly but few have chance for evolution.
Mindless. Able to evolve

3.)Adjuchas: These are born from a Gillian that ate other hollows. they come in many forms most are humanish or look more like an animal. They also must eat other hollows or they will revert back to Gillian and they dont have a chance to become Adjuchas again. Example

4.) Vasto Lorde: Not much is known about this stage, as no one knows if we have even seen one. It is thought that none of the current Espada are Vasto Lorde.

Arrancar: This is a side branch and is unknown if they are stronger then Vasto Lorde. It has been shown that all known Espada current and past have been arrancar. They are created By a hollow having its mask removed. So far we can presume only ranks Gillian and above can be turned into arrancar, Because that is the lowest rank We have had confirmed.

Now we will continue with the powers.

Soul-Body Separation: The power to extract a living soul from their body that they have already consumed.

Acid Touch: Many Hollows have displayed this power. It works like acid is coming from the body. It burns human skin and is unkown but presumed not to hurt Shinigami and other Hollow.

Cero: a powerful energy blast that is often shot from the mouth,limbs, tounge, ect. Only Menos, Arrancar, and Vizards have been shown to use ceros. There are also A wide range of ceros red being the most common.

Garganta:is how Hollows and Arrancar move to and from Hueco Mundo. It literally tears open the dimensional fabric separating the worlds, revealing a tunnel of whirling, torrential energy that must be focused and solidified to create a discernible pathway.

High-Speed Regeneration is the ability that allows a Hollow to heal most injuries very quickly, with the exception of the destruction of the head or vital organs. Only Menos-class Hollows have demonstrated this ability. Ulquiorra states that most Arrancar gave up Regeneration for far greater strength

Bala: Like a cero but much faster, It is also much less powerful.

Most of this can be found in http://bleach.wikia.com

Thank you i have learned alot.