Thunderlord

Thunderlord is an exotic machine gun. It can be obtained from a chest in either the Vault of Glass or Crota's End raid, as a reward from the Weekly Nightfall Strike, or as an end-of-match reward from the Crucible. It can also sometimes be purchased from Xûr.

Upgrades
Upgrades marked with a ( * ) are upgrades unique to Thunderlord.
 * Accurized Ballistics: More Range and Impact. Increased Recoil.
 * Field Choke: More Range and Impact. Increased Recoil.
 * Linear Compensator: More predictable Recoil. Slight boosts to Range and Impact. More Recoil.
 * Feeding Frenzy: Kills with this weapon increase reload speed for a short time.
 * Upgrade Damage: Upgrades Attack Power, allowing this weapon to cause more damage.
 * Perfect Balance: This weapon has extremely low recoil.
 * Field Scout: Maximum Ammo capacity.
 * Flared Magwell: Reload this weapon even faster.
 * Lightning Rounds: This weapon fires faster and more accurately the longer the trigger is held.*
 * Upgrade Damage: Upgrades Attack Power, allowing this weapon to cause more damage.
 * Upgrade Damage: Upgrades Attack Power, allowing this weapon to cause more damage.
 * Upgrade Damage: Upgrades Attack Power, allowing this weapon to cause more damage.
 * Upgrade Damage: Upgrades Attack Power, allowing this weapon to cause more damage.

Trivia

 * Pre-release, Thunderlord was demonstrated in Bungie's E3 2013 gameplay demo. In addition, its design and general philosophy were outlined in a brief news article on Bungie's website.