Can you recommend some good looking online novels about Thieves, Mages, or Summoners?

As one of the first players to gain access to World of Falan—the first immersive game worldwide—Roland creates his character as a Mage. However, playing as a Mage is not as fun and easy as he thought. His head even explodes after he casts the very first spell in the game. Stubbornly sticking to his class when most Mages decide to create a new character, Roland gradually discovers tricks of the trade and his unusual talent. This allows him to change people's stereotypes on Mages and to explore the deeply-buried secrets of this game…

Keeley, a simple plain Jane, hits the jackpot. [No, she did not win the lottery!] At least that's what she thinks when she marries the most eligible bachelor in New York City: Aaron, a wealthy cold-hearted heartthrob and Tycoon. She wants to show the world that she deserves her position and bends over backward to fit into his world. One beautiful day, Aaron hands her a document asking her to sign. A divorce paper... "She's pregnant, and I need to take responsibility." That is the last thing that keeps on playing in her mind before she takes her last breath. Keeley dies, a 'hit and run'. [End of story. Not!] For some unexplainable reason, she wakes up as her younger self. A young high school girl, around the time when she first meets her cheating husband. Remembering her life with Aaron before she died, she makes a promise to herself that she will do everything in her power to avoid him at all costs. Will she be able to keep her promise when Aaron has his own plans as well, specifically for her? Or will she repeat history and fall for him once more... Why not journey with me and find out the truth behind their story. *Cover art by polkadottedscrunchie*

Ajax is an orphan who survives a massacre along with his friends but unfortunately gets separated from them. Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation but doesn't know what it is called. But he knows one thing for sure, this system is mighty and helpful in taking his revenge. "Whoever you are, I am gonna find you", Ajax mumbled with a disgruntled expression. In a world where the Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.

What would you do if you were transported to an academy where becoming immortal was possible? Where magic spells and swordsmanship were your courses and fighting zombies and wars were your exams? Dawn Academy was no ordinary learning institution and Xiao Lin was about to find out how mysterious and exciting this magical academy really was. Join this self-professed gaming nerd as he embarks on a journey that takes learning to a whole other level. With flying dragons, high-tech systems, and alien livestock that makes your bowels explode, Xiao Lin’s freshmen adventure is just the tip of the iceberg.

It was the year 2021 AD. The game jointly developed by the entire world, “Heavenly Enlightenment”, was released. In this game, in-game coins could be exchanged for real money, which instantly attracted countless players from all across the world. Various nations around the globe also competed fiercely for the resources in the game. Lu Yuan was a player of “Heavenly Enlightenment. At the start, he received the SSS rank talent — Infinite skills upgrade! Fireball LV999: Fireball descends from the sky and rains destruction upon the world! Heal LV999: the Angel descends to revive ten thousand people! …… With his infinite upgrading talent, while others were still desperately trying to farm mob monsters, Lu Yuan had already killed the boss effortlessly. While others were still toiling to raise the favourability meter of NPCs, Lu Yuan was already sleeping on the same bed as the NPC queen. The other players all started to protest! “Report him, he’s cheating!” “Lu Yuan had severely affected the balance of this game, we strongly demand to ban Lu Yuan!” …….

Locke, an ordinary middle school student from Philadelphia, traveled to a world of sword and magic and became a small lord. However, his territory was barren and narrow, and the leading people were poor and weak. Around him, there were ferocious brigands, terrifying dragons, and powerful enemies. At this critical moment, Locke had awakened the ability to summon the gods! At his summon, the powerful and mysterious strength came to this world one after another! Athena, the beautiful and intelligent war goddess! Venus, the goddess of love! There was also Hades in charge of the nether world, and the cunning god of tricks Loki! Countless gods and their heroes followed Locke to fight. They built their own territory and made it a sacred place that everyone yearned for in the world. They also made Locke the greatest ruler of the world! Magic dragon, phoenix... The powerful and mysterious magical beast became Locke's ride! The burly giant, the beautiful elf, and countless mysterious creatures had become members of Locke's group. There were also countless mages and knights who were loyal to Locke and became his spears and shields! And charming Venus, youthful Daphne, cold Medusa and enchanting Pandora... Their styles were different, but each of them was beautiful and charming. Locke also showed his powerful strength on another battlefield, which made these goddesses and female demons shout, "Slow fuck." This made Locke the prince charming of countless girls. However, Venus, Daphne, Medusa, Pandora and other goddesses and female demons held Locke tightly and shouted, "Locke belongs to me!"