Harp-M ★
Harp-M ★ is a legendary bow.
A special squid capturing device with electric neutralizers - to defeat, but not over-defeat.
An upgrade for 
Alta Harpooner.
Ingame
Radiomessages on pickup:
- You’ve just picked up an alta weapon, or an “energy tool”, as they call it. According to my database, these usually have an extended set of features. I suggest reading its description.
Parameters
Primary Ability
Main ability of the item, activated with left mouse button.
Parameters:
- Walk While Firing:
True - Fire Offset: 1.75,
- Energy Per Shot: 40
- Cooldown Time: 0.25
- Inaccuracy: 0.01
- Draw Frame Selector:
bowImageSelector - Draw Power Multiplier:
drawTimeMultiplier - Draw Speed Multiplier:
drawTimeMultiplier - Draw Arm Frames:
rotation - Projectile Type:
harpoon - Power Projectile Type:
chargedharpoon - Power Projectile Time: 0.9, 1.1
- Projectile Parameters:
- Speed: 80
- Power: 6.5
Sources
Can be obtained via 
Technical Information
- In-game ID:
ct_alta_harpooner-upgrade - Power:
3.85 - Rarity:
Legendary - Tags:
alta,legendary,ranged,uncommon,upgradeableWeapon,weapon - File:
/items/active/alta/tools/hunt/harpooner/ct_alta_harpooner.activeitem