Metal King Slime Pep Power Hunting - DRAGON QUEST XI: Echoes of an Elusive Age
Hero lv54 and got Metal King Slime using Electro Light.
Edit: Don't bother with Dirge of Dundrasil. It can fail and is not guaranteed to sleep. Seems like it just has a higher chance. I even had the metal king slimes wake up immediately and run away. I would focus on attacking skills. Lightning Thrust with Jade and normal attack with falcon earring and second knife (use Critical Acclaim if in postgame) with Eric. Rab can use Hawkeye or normal attack.
DRAGON QUEST® XI: Echoes of an Elusive Age™
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