Slayers

Young sorceress Lina Inverse and her dim-witted sidekick Gourry Gabriev travel through a somewhat medieval setting, doing good and fighting evil. Well, by "doing good and fighting evil" I mean "stealing from corrupt rich people and blowing things up". The stories in this volume are occasional tie-ins to the novels and short stories.

Lina Inverse, a wandering sorceress and bandit-killer, joins forces with roving swordsman Gourry Gabriev in what's supposed to be a quick union of convenience. *Note: This is the main Slayers manga, adapted from the Slayers novels vol.1-8. The fourth volume is adapted from the Slayers Return movie.*

Slayers Special is a novel series written by Hajime Kanzaka and illustrated by Rui Araizumi. Each volume consists of one-shot stories (sometimes, 2-chapters stories) about a pre-Slayers Lina Inverse and Naga the Serpent. (Source: Kanzaka Wiki).

Light novel adaption of the scripts for the Slayers Return, Slayers Great and Slayers Gorgeous movies. Also contains some short omake comics.

Lina and Gourry are separated and Lina wakes up in a strange land that is outside of the mazoku barrier. There, she meets a boy named Lyos who is the Knight of Aqualord. Eventually Lina was reunited with Gourry, and Ameria appeared. They must search the God's power but the appeared Riskfalto, the Deep Sea Dolphin's general and all they will be involucred in a battle between gods and demons.

Dragon Age Crossover Special

As a continuation of the Slayers Special novel series, each volume also consists of several one-shot stories (sometimes, 2-chapters stories) about a pre-Slayers Lina Inverse and Naga the Serpent. (Source: KanzakaDex)

In the distant future, mankind has advanced into an age of technological supremacy, where magic is a lost art only mentioned in fairy tales and nursery rhymes. Living in such a world is Light Inverse, a youth who dreams of sorcery…. but suddenly, his home is attacked by mazoku! With modern weaponry proven to be ineffective against the monsters, all hope seems to be lost…. Until Lina Inverse and Gourry Gabriev are suddenly transported to the future from a mysterious shrine in their time. Can Lina bring magic back to this land…!?

Lina and Gourry travel to a seaside town named Acassi, where octopus tentacle is a delicacy. However, the octopus meat carries a curse that dooms the eater to only speak Takogo (octopus language). Amelia, Zelgadiss, and Xelloss all show up, and the main four characters (Lina, Gourry, Ameria, Zelgadiss) get cursed. The octopi enlist the power of a mazoku to get rid of the humans once and for all. The white sorceress Ruma must learn the cure to the curse from her long-lost master in order to save the town. from ann

Lina and her friends are back! Enter a new creature that holds mysterious powers and the gang who are reunited to go out on another journey again!

After being shipwrecked on a remote southern island, Lina and Co. protect its townspeople from an attack by pirates…. But the island holds a deep, dark secret - and powerful magical forces are at work trying desperately to hide its past. The fate of the world once again rests in the hands of the over-bearing Lina Inverse… For better or worse! (Source: Turtle Paradise)