What does the cosmic eye watcher badge do?

Cosmic Eye Watcher Badge is located in Upper Cathedral Ward and allows you to purchase Rosmarinus. To get to the Upper Cathedral watch this guide.

How do I get eye watcher badge?

Cosmic Eye Watcher Badge

Cosmic Eye Watcher Badge Usage. Unlocks Rosmarinus in Shop.
Location. Upper Cathedral Ward – Enter the building through the big gate (shortcut), hold to the left and you will find the item on a corpse in the narrow corridor patrolled by a Brainsucker.
Notes.
Trivia.

How do you unlock Upper Cathedral ward?

To access Upper Cathedral Ward you need to obtain the Upper Cathedral Key which is found in Yahar’gul, Unseen Village. When you have the key, head to the top of Healing Church Workshop and open the previously locked door. Proceed through, and the title should prompt, letting know you have arrived.

How do you get Rosmarinus?

Location. It can be bought for 60,000 Blood Echoes from the Messengers after obtaining the Cosmic Eye Watcher Badge.

Is the Flamesprayer good?

Very worth it. Flamesprayer is great for finishing off certain beast bosses when they’re in their most dangerous phases (low health) from safety.

How do you unlock poison knives in bloodborne?

Location

Sold by Messengers after gaining Cosmic Eye Watcher Badge or beforehand at the bath messengers in layer 4 Lower Pthumerian Chalice.
12x Cathedral Ward, near the plaza, at the top of the stairs down to Arianna.
8x Forbidden Woods, at the top of the windmill near the exit to the Suspicious Beggar.

Are the blades of Mercy worth it?

YES! The church pick is a really good companion to the BoM. It hits hard and scales with skill, just like the BoM. I personally don’t think it’s worth your time though, the blades just aren’t very good compared to other skill weapons.

Can you two hand bloodborne?

There is indeed no default two handing, judging some weapons, just like there is no default dual wielding, only some weapons have a dual wield form.