Character 1:
- Name: Kaelin Shadowbane, the Just
- Gender: Male
- Appearance and Clothing: Kaelin still possesses his tall and lean figure, but now exudes an air of authority and power. His silver hair flows regally down his back, while his violet eyes gleam with a commanding presence. He wears a regal black cloak, lined with silver runes that represent his newfound dominion. Underneath, he dons a resplendent suit of ebony and silver armor, intricately designed and symbolizing his role as a ruler.
- Personality: Kaelin retains his stoicism and sharp intellect, but now carries himself with a regal confidence. He has refined his sarcastic sense of humor, using it to assert his power and maintain order over his subjects. His strong sense of justice and protection has only intensified, as he strives to create a utopia ruled by fairness and equality.
- Background: After atoning for his past actions, Kaelin rose to power through a rebellion against the corrupt rulers he once sought to eliminate. Now, as the just and benevolent overlord, he commands the loyalty and respect of his subjects. He has transformed the secretive order of assassins into an elite guard dedicated to upholding his ideals.
- Goals and motives: Kaelin’s goals have evolved as he gained power. He continues to dismantle corrupt systems of power but now focuses on reshaping them entirely. He aims to establish a society where justice prevails, governed by principles of equality, fairness, and accountability. While maintaining his reputation as a fearsome ruler, he seeks to inspire others to follow in his footsteps and foster a world where justice is not merely an illusion.

Character 2:
- Name: Morwen Blackthorn, the Valiant
- Gender: Female
- Appearance and Clothing: Morwen’s appearance has evolved into that of a respected warrior queen. Her fiery red hair is styled regally, and her emerald green eyes reflect her strength and determination. She wears an intricate suit of black and green armor, adorned with silver designs that symbolize her authority. A regal cloak billows behind her, bearing the symbol of her reign.
- Personality: Morwen’s fiery and straightforward demeanor now coexists with a regal grace and maturity. She remains fiercely loyal to her cause, but her compassion has deepened, leading her to rule with fairness and understanding. Guided by her experiences as a pirate and her newfound power, she has honed her sense of honor and morality.
- Background: Following the disbandment of her crew, Morwen emerged as a champion for the oppressed, uniting factions against their oppressive rulers. With her exceptional leadership skills and determination, she became an undisputed ruler, safeguarding the weak and battling corruption in her realm.
- Goals and motives: Morwen’s goals remain constant, but as an overlord, she now has the means to achieve them on a grand scale. She seeks to expose and dismantle corrupt systems of power, ensuring justice and equality for all. Her ultimate goal is to inspire revolutions in other realms, expanding her influence and creating a vast network of united forces fighting against oppression.

Character 3:
- Name: Thaddeus Thornblood, the Enigma
- Gender: Male
- Appearance and Clothing: Thaddeus continues to command attention with his tall and imposing figure. His jet-black hair has become streaked with silver, lending him an air of wisdom and authority. His bright blue eyes radiate with a mystic intensity. He now wears intricately designed robes of deep purple and gold, adorned with ancient symbols. His silver mask has evolved into an ornate, custom-made artifact.
- Personality: Thaddeus’s enigmatic nature has only deepened, as he now possesses an even greater understanding of the world’s complexities. He balances his cunning and manipulative nature with a newfound sense of responsibility and wisdom. While maintaining his preference for working behind the scenes, he uses his knowledge to guide and support his subjects.
- Background: Building on his reputation as a powerful sorcerer, Thaddeus cast aside his thirst for revenge and embraced a path of redemption. He established a magical council comprised of those who shared his ideals, using their collective knowledge to bring about positive change in his realm.
- Goals and motives: Thaddeus continues to dismantle corrupt magical institutions and restore balance to his realm. Now as an overlord, he seeks to extend his influence beyond his realm’s borders. He works to protect innocent magic users, promote responsible use of magic, and create alliances with other enlightened rulers who share his vision for a world where magic is respected and harnessed for the greater good.

Character 4:
- Name: Rielle Nightshade, the Shadow Sovereign
- Gender: Female
- Appearance and Clothing: Rielle’s petite figure has gained an aura of authority and power. Her silver hair now cascades in regal, intricate braids, adorned with jewels. Her piercing violet eyes carry an intensity and wisdom acquired through her experiences. She wears a regal black and silver gown, accentuating her position as the ruler of shadows. Her boots and wrists remain armed with concealed weapons, serving as a reminder of her prowess.
- Personality: Rielle has evolved from a mischievous operative into a strategic and cunning ruler. Her mischievous spirit persists, but she tempers it with keen foresight and a discerning nature. She remains fiercely loyal to her cause and uses her position to uplift and empower the vulnerable.
- Background: Rielle’s reputation as a skilled operative and champion of the oppressed earned her the loyalty of many. Leveraging her influence, she orchestrated a revolution that ousted corrupt regimes and brought her to power as the Shadow Sovereign - the ruler of an intricate network of spies, thieves, and informants.
- Goals and motives: Rielle’s goals now center on creating a more egalitarian society on a broader scale. As the Shadow Sovereign, she expands her efforts to expose and dismantle corrupt ruling classes beyond her realm’s borders. She fosters alliances with like-minded rulers, intertwining their networks of spies and informants to build a web of justice and empowerment. Her ultimate goal is to inspire a global revolution that topples oppressive regimes worldwide and creates a world where justice, equality, and freedom flourish.

On the same principle, describe the new characters:
- Combine Kaelin and Morwen into one astral archon character, formed during their merger into one creature and traveling between worlds. 
- Combine Thaddeus and Rielle into one astral archon character, formed during their merger into one creature and traveling between worlds.