Castlevania II: Dracula's Curse (IC)

[J-H]

Spoiler: Cassandra

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You can go look up the Marid statblock if you want. As far as this particular individual, you wouldn't have heard of him probably.
Marids on the Prime Material Plane is unusual, but he did mention being hired. Genies of all sorts can choose, or be forced, to serve for a contracted amount of time. They have a reputation for being extremely good at parsing the letter of the contract vs. the spirit of the contract if they are not happy with their instructions, or if they dislike their master / boss.

"If you wish to sit and talk for a while, let us do so. I regret that I am unable to offer you tea or refreshments. The current situation makes it untenable for me to forge the bonds of hospitality with those whom necessity may force me to harm."