Any Unconventional EXP hero?

I wanna prank my sister (she is on her last placement match) by playing heroes that are not usually played as a certain role,

Like Valir in exp, yes he is not tanky to sustain fights but he works as disengage in teamfights, in early game he can take away gold and exp from enemy fighters essentially disabling them on turtle fights.

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You can also suggest different roles aside from exp