Undead afraid of the following thing:
1. Sergis series SS, MHP -40 * 2 SS, MHP-40 LP 2 SS and the newly MHP-40 child of annorose LP 1 SS
2. Cannot be attack by attack action start skill or trait: Kin Fighter, Lv 2 Falkow Miku, Lv 6 Sea Monster or the forgotten flash paladin, Mermaid Princess Emana
3. Engage effect: Rasam SS, Frog, Timestop, BKR, Belus (these two need to engage the Lich or the priest to be effective)
4. MHP changing effect: Burning Sun, Hand of the God, Talisman of dis, Francis, Raste, Girl Combat Priest (She hates Lich so much)...Annette, Jack
5. Undead Hate specific: Folrart Monk, Folrart lady paladin, set 10 3-star Lv 4 refess TGC character, MD-exo.
6. Removal: Return, Assassin SS, Dion., 6th Heaven Devil, Deathmaker and the like...
7. Ranged targetted high Dmg: Wizard archer of Regus, Princess of Key Emana
8. Multiple high Dmg: Jack, DanDan, Dalos+Word of Dalos, Alliend, ball of flame, Burning Air, 50dmg to all lawita unit SS
9. SP drain: Shade, Death Embrance, Gafc SS, Violet SS, MD-Exo
10. Super high DF: Giant Arth., Holy Shield Combo, Elite mage knight of Regus SS
Choose 1-3 in this list to hate the undead...