First off I want to say that I am not the founder of this.
First: Achieve Gunsmith Rank 5 and get the quest Imprecation(This can be done so by completing Banshee-44's weapon bounties for each week.)
Here is the Quest-line
1. The Right Word
Get Hand Cannon kills with a Primary or Hand Cannon Telemetry active."Tex Mechanica's been making guns since before the City's Walls went up." —Banshee-44
Objective
• Data Gathered
100 kills
Completion Value
250
Rewards
Gunsmith
Experience
2. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."You got no idea what it was like before the City. Before the Walls. That's the world for which Tex Mechanica was making weapons." —Banshee-44
3. Waiting on Tex
Wait for Tex Mechanica's next Armsday delivery. Armsday occurs every Wednesday."You've heard of The Last Word. But have you heard of the gun that came before it?" —Banshee-44
4. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."The Last Word. Now, that was one of the best Hand Cannons I ever saw. And I don't say that lightly. Ain't seen its like since—well, since a long time ago." —Banshee-44
5. Weapon Skills
Infuse the weapon, get kill sprees, and go on a precision kill spree in the Crucible."The Last Word...and the First Curse. Sisters. Partners. But one was lost to fire—and with it, the memory of how to forge it." —S. Barnes Davis
Objectives
• Infuse the Weapon
• Seven Kill Sprees
• Crucible Precision Kill Spree
Completion Value
7
Rewards
Gunsmith
Experience
6. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."We're bringing back a legend! Yessir, we've partnered with Banshee-44 and a Guardian to reverse-engineer the First Curse!" —S. Barnes Davis, Tex Mechanica
7. Expanded Vocabulary
Wait for Tex Mechanica's next Armsday delivery. Armsday occurs every Wednesday."It's strange, though. Strange to think that two sisters could grow so far apart. Ah, who listens to an old Exo like you, Banshee." —Banshee-44
Objective
Rewards
Unknown Rewards
8. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."They said the First Curse was so powerful, its wielder didn't even need to think about killing. The killing just happened." —S. Barnes Davis, Tex Mechanica
Objective
Destination
Rewards
The First Curse
Gunsmith
Experience
About this Gun
https://www.bungie.net/en/armory/Detail?type=item&item=987423912&itemname=The First Curse
First: Achieve Gunsmith Rank 5 and get the quest Imprecation(This can be done so by completing Banshee-44's weapon bounties for each week.)
Here is the Quest-line
1. The Right Word
Get Hand Cannon kills with a Primary or Hand Cannon Telemetry active."Tex Mechanica's been making guns since before the City's Walls went up." —Banshee-44
Objective
• Data Gathered
100 kills
Completion Value
250
Rewards


2. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."You got no idea what it was like before the City. Before the Walls. That's the world for which Tex Mechanica was making weapons." —Banshee-44
3. Waiting on Tex
Wait for Tex Mechanica's next Armsday delivery. Armsday occurs every Wednesday."You've heard of The Last Word. But have you heard of the gun that came before it?" —Banshee-44
4. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."The Last Word. Now, that was one of the best Hand Cannons I ever saw. And I don't say that lightly. Ain't seen its like since—well, since a long time ago." —Banshee-44
5. Weapon Skills
Infuse the weapon, get kill sprees, and go on a precision kill spree in the Crucible."The Last Word...and the First Curse. Sisters. Partners. But one was lost to fire—and with it, the memory of how to forge it." —S. Barnes Davis
Objectives
• Infuse the Weapon
• Seven Kill Sprees
• Crucible Precision Kill Spree
Completion Value
7
Rewards


6. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."We're bringing back a legend! Yessir, we've partnered with Banshee-44 and a Guardian to reverse-engineer the First Curse!" —S. Barnes Davis, Tex Mechanica
7. Expanded Vocabulary
Wait for Tex Mechanica's next Armsday delivery. Armsday occurs every Wednesday."It's strange, though. Strange to think that two sisters could grow so far apart. Ah, who listens to an old Exo like you, Banshee." —Banshee-44
Objective
Rewards

8. Speak to Banshee-44
Speak to Banshee-44 at the Tower Watch in the Tower."They said the First Curse was so powerful, its wielder didn't even need to think about killing. The killing just happened." —S. Barnes Davis, Tex Mechanica
Objective
Destination
Rewards



About this Gun
https://www.bungie.net/en/armory/Detail?type=item&item=987423912&itemname=The First Curse