Quick answer — Youko Soumi voices Lyserg Diethel in SHAMAN KING (2021), Atsuko Urameshi in Yu Yu Hakusho: Ghostfiles, Ootori-fujin in Revolutionary Girl Utena and 28 more characters.
Youko Soumi voices Lyserg Diethel (SHAMAN KING (2021)), Atsuko Urameshi (Yu Yu Hakusho: Ghostfiles), Ootori-fujin (Revolutionary Girl Utena), Beruchero (Made in Abyss: Journey's Dawn), Kusunoki (Lycoris Recoil), Zorin Blitz (Hellsing Ultimate), Dominique the Cyclops (Trigun), Caroline (Vampire Hunter D: Bloodlust) and 23 more.
Lyserg Diethel is voiced in Japanese by Youko Soumi.