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Leprechaun Build suggestions
(reddthat.com)
Baldur’s Gate 3 is a story-rich, party-based RPG set in the universe of Dungeons & Dragons, where your choices shape a tale of fellowship and betrayal, survival and sacrifice, and the lure of absolute power. (Website)
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My initial thought is an Arcane Trickster, maybe with some levels of Wizard thrown in. Sneaky with enchantment/illusion magic sounds about right.