Purchasing the Necromancer Ghost bundle gives you this callsign. It's a 200 point question, don't think too hard
Necromancer
The %Ability Haste given by the Amplified Haste Perk
5%
Hookguy
Kingpin
Harmonic Edge, Refractor, Rumel's Hoverwinger, Stasis Shard
Legendary Relics
The number of hunters listed as "Initiators"
2 (Bishop and Kingpin)
The first callsign given to you in the Hunter's Journey
Adept
10% (RIP Longclaw)
Bountyhunter
Carbine
Felix, Nyx, Oath
Hunters classified as "Frontliners"
Starting at season 2, Anti-Heal was nerfed from 100% Healing Reduction to this amount
70%
Reaching this Mastery Level gives you the callsign of the Hunter's name, not their placeholder name
6
The cost of Rare, Epic, and Legendary Relics respectively
1500, 1000, 750
Burstcaster
Crysta
Brall, Jin, Kingpin, Oath, Tetra, Wukong, Bishop
Hunters that have the "Slam" keyword
This was the last gamemode added before Supervive shut down
Prisma Party
Daily Double
Prisma
Not counting the partial refund Grabby the Squid gives, this Active Relic has the lowest cooldown
Uppercutlass (10 Seconds)
Flow
Zeph
Joule, Celeste, Zeph
Hunters that have a "Varsity" skin
Zeph, Hudson, Kingpin
After 231 Days, this callsign was finally #Free to players who submitted a form that was sent in the Discord thread
Habibi
The %bonus damage YOU take while Fervent Songbow is active
10%
Flex
Shiv
Grace, Regenerative Armor, Shield Generator
Perks that require you to not take damage to activate their effects
You will list all the hunters... NOW!
Beebo, Bishop, Brall, Carbine, Celeste, Crysta, Elluna, Eva, Felix, Ghost, Hudson, Jin, Joule, Kingpin, Mercury, Myth, Nyx, Oath, Saros, Shiv, Shrike, Tetra, Void, Wukong, Zeph