Warped Terrorbird

What are Warped Terrorbirds? Where are they found? What do they drop?
Warped Terrorbirds are an npc that drops Kryptic Torva Set. This is often assigned as a medium Slayer task and is fairly easy to kill, it is also a good place to farm Rune/Adamantite Ore.

Command - ::terrorbird

Health - 340,000 ; Max Hit - 30

Standard Drop Rate Potential- 1 in 72 kills

With Double Drop Rate Active- 1 in 24 kills