in your opinion best amulet?

[Luka]

I am ready to upgrade my blood merlot amulet but struggling to decide which one would be most useful so what do you guys think/chose?

[Jason Eroge]

that mostly a play style thing if you like casting just get the casting one, physical get the physical. Cant go wrong with any of the critical ones.

[Army of Optimists]

Realistically, probably the Arch-Warlock. The one that gives Spell Crit and Crit Damage. Combined with Scholar Blood and some good nukes, you can do a hell of a lot of damage with minimal risk. You could also try the one that gives bonus spell power. +4 doesn't seem like a lot, but it's about an extra 14% damage.

I did run the Blademaster, but the downside of Attack Speed is it only applies to your primary attack, not your QE abilities, and many of the late game bosses don't give many opportunities to sit there and hack away.