MagisterCultuum
Great Sage
In an unmodded game I'd probably say that Flauros is better, but I always let Philosophical leaders build Academies without Great Sages (200 , at Arcane Lore) which makes Alexis more appealing.
I'm also liking Thessa of the Calabim, which I made an option after giving her to Alexis in the Splintered Court scenario. Arcane Vampiric Archmages are quite nice (Vampiric Archmages in general are quite nice, but Arcane ones are also easy to get), as is the health bonus.
I also made Rivanna a Calabim leader after giving her to Alexis, but despite boosting the production speed of Governor's Manors from Organized she still didn't seem so good because of having only 1 trait. I decided to give her Summoner too, which is nice as it also boosts the duration of her Vampire's Spectres. Unfortunately as Melee units they don't get the Summoner promotion from the new version of the trait, so the patch t change this combo is not as strong.
I'm also liking Thessa of the Calabim, which I made an option after giving her to Alexis in the Splintered Court scenario. Arcane Vampiric Archmages are quite nice (Vampiric Archmages in general are quite nice, but Arcane ones are also easy to get), as is the health bonus.
I also made Rivanna a Calabim leader after giving her to Alexis, but despite boosting the production speed of Governor's Manors from Organized she still didn't seem so good because of having only 1 trait. I decided to give her Summoner too, which is nice as it also boosts the duration of her Vampire's Spectres. Unfortunately as Melee units they don't get the Summoner promotion from the new version of the trait, so the patch t change this combo is not as strong.