Mergo's Wet Nurse Bloodborne boss fight Umbilical Cord

Mergo's Wet Nurse is the last mandatory boss in Bloodborne. You may have more boss fights later, but it depends on your story ending.
Reward: One Third of Umbilical Cord. Eat all 3 pcs after this boss fight to get an alternative Bloodborne game ending.
Good luck and Have a nice game!

Bloodborne Mergo's Wet Nurse fight. Bloodborne Mergo's Wet Nurse fight tips.

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1st boss: Bloodborne Cleric Fight: https://youtu.be/ubsj6SE5G8o
2nd boss: Father Gascoigne: https://youtu.be/aG654IgWiTs
3rd boss: Blood-starved Beast: https://youtu.be/-3HlvHuOJ6I
4th boss: Vicar Amelia: https://youtu.be/cvyHp6Y7iHE
5th boss: The Witch of Hemwick: https://youtu.be/-p_esxJxqJE
6th boss: Shadow of Yharnam: https://youtu.be/qedjfX1phJA
7th boss: Rom, The Vacuous Spider: https://youtu.be/vhVfQ7gdpso
8th boss: Celestial Emissary: https://youtu.be/yUyGj_R0NpU
9th boss: DarkBeast Paarl: http://youtu.be/5_rlDTawW8s
10th boss: Ebrietas Daughter of the Cosmos: http://youtu.be/f5gndQKyb3g
11th boss: The One Reborn: https://youtu.be/DZb1F9fKGGo
12th boss: Amygdala: http://youtu.be/XrhHQgo1XOA
13th boss: Martyr Logarius: https://youtu.be/ZLy887sQYiA
14th boss: Micolash Host of the Nightmare: https://youtu.be/22zHArZBfmI