Where to go after vicar amelia bloodborne

Hey guys.I just beat Vicar Amelia and i'm lost.I've heard many conflicting reports about where i should go:

Table of Contents Show

Where do I go after beating Vicar Amelia?
What is the order of bosses in Bloodborne?
Is Vicar Amelia an optional boss?

-"Before entering the Cathedral,go left to the witches of Hemwick or something"

-"Before entering the Cathedral go right"

-"Find the password" (I faintly recall a door that required a password,though i don't remember where it was.I don't even know where it supposedly leads)

-"Open the gate to the Upper Cathedral Ward"(i don't even know where this gate is or how to open it)

-"Find the Forbidden Woods"

-"Find the stairs inside the Cathedral"

Etc

So,can you help me sort this out?

Where do I go after beating Vicar Amelia?

After you defeat Vicar Amelia in Bloodborne you received the Gold Pendant and you will ask yourself: Where to go after Vicar Amelia? After the fight, you can use a lamp and examine the skull on the altar. In a cutscene, you'll dive into a memory and learn cryptic things, as always.

What is the order of bosses in Bloodborne?

Bloodborne boss order.

Cleric Beast..

Father Gascoigne..

Blood-starved beast..

Vicar Amelia..

The Witch of Hemwick..

Shadow of Yharnam..

Rom, The Vacuous Spider..

The One Reborn..

Is Vicar Amelia an optional boss?

Vicar Amelia Information This boss is not optional. After defeating Vicar Amelia and interacting with the altar, the world state advances and turns to night time.