How to go to the House of Hope Bg3, what to do once you there, how to release Hope, and how to handle Raphael in the end are all covered in our guide to Baldur's Gate 3.
Raphael Bg3 offer to take out the tadpole from your head and he is the son of archdevil Mephistopheles, lord of Cania, the eighth layer of the Nine Hells, current owner of House of Hope
In Baldur's Gate 3 Underdark Map BG3 is a large underground area south of the Storehouse via the rope netting quest locations, boss locations, and entrances to the Underdark explained.
Auntie Ethel Bg3 Is A Baldur's Gate 3 Boss, Potions Trader, Lotions, Quirks, & Sundries In Emerald Grove Which Can Split Herself Into Many Other Clones That Will Cause Significant Damage To Your Party Members