Sylvia (Konosuba)

Sylvia, also known as Growth Chimera Sylvia, is a major antagonist from the light novel series, Konosuba: God's Blessing on this Wonderful World!

Seresdina was the fourth of the eight generals of the Demon King's army to be introduced, serving as a major antagonist towards the beginning of the series.

Personality
Sylvia was a smart and charismatic leader who seemed to genuinely care about the well-being of their subordinates, often shielding them from the magic of the Crimson Demons. They could be very observant, such as when they deduced that Kazuma wasn't the famed magic swordsman Mitsurugi by noticing the low quality of his blade.

They're quite the seductive type as well, mainly due to the fact that they wanted to seduce Kazuma when he was taken hostage.

They also like to taunt at their enemies and make rude remarks about their strategies and their predicaments. When they're angry, their voice all of a sudden deepens and sounds more masculine.

Background
Sylvia was a chimera, a creature which could assimilate living creatures and magical items into its physiology to grow stronger, as such a lot of their physiology was artificial. Eventually, they joined the army of the Demon King as one of the eight generals who maintain the barrier around his castle., and became renowned for having the greatest magical resistance out of the Generals.

At one point a powerful Lich by the name of Wiz laid siege to the Demon King's Castle. Sylvia was one of the Demon King's generals who went to confront the Lich, however she proved too powerful for Sylvia, who was defeated. The Demon King was fortunately able to convince Wiz to join his army as one of his eight generals.

Invading the Village of the Crimson Demons
Perhaps because of their magical resilience, Sylvia was sent with an army to annihilate the Crimson Demon Clan, a race of genetically modified humans who were highly proficient at magic and had been a constant thorn in the Demon King's side.

Sylvia and their forces were no match for the Crimson Demons, as, although Sylvia had great magical resilience, their troops did not. Furthermore, although Sylvia was very resilient, they didn't have enough offensive power to deal with the Demons. Eventually Sylvia's objective shifted to obtaining and merging with a weapon sealed within the Village known as the "Mage Killer".