You can pick 75% of the way through the moveset if you want to make it an AOE stagger bomb or a ground DOT projectile, and you can aim the projectile at the very last moment.

There is a video by Zullie the Witch dissecting this mechanic and weapon art in particular.

It is caused by the Ghostflame Ignition weapon art continuously triggering the Hit Stop effect that gives attack impacts their sense of weight/collision.

The weapon art can cause unusual 'lag' when hitting large enemies that cause your character to appear to be skipping frames.

Weapon art builds Frostbite at a significantly higher rate than this base value would suggest.

Charging the R2 attack will cause your character to take several steps forward before delivering the attack (similar to attacks empowered by the War Cry ash of war)

This weapon has a unique R2 shared with Sword of Milos, an upward diagonal slash starting from the lower right side.

Death's Poker can be upgraded by using Somber Smithing Stones.

Can't be enchanted with Magic nor boosted by Consumables.

This weapon cannot be infused with Ashes of War.

Granting significant scaling up to at least 50 INT

Scaling on the weapon art is considerably higher than the E/D value would suggest.

The Weapon Skill: Ghostflame Ignition purely scales with Intelligence.

A Death Rite Bird boss can be encountered there at night time.

Southeast of the Southern Aeonia Swamp Bank Site of Grace.

The Death's Poker weapon can be found at the following location:

Where to Find Death's Poker in Elden Ring The birds are graveyard fire keepers it is said they rake out the ashen remains of the dead from their kilns.

Fire poker set near me