R-Powercannon ★★★
R-Powercannon ★★★ is a legendary two-handed poisonous rocket launcher.
A powerful cannon that utilizes 
isoslime both as coolant and as missile component.
This heavy energy tool has outside origins and was simply altered in a Neiteru alta lab.
An upgrade for 
R-Power Prototype ★★.
Ingame
Species descriptions:
- Alta: This is quite bulky, not sure if I’ll be able to lift it up…
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:
- Projectile Parameters:
- Knockback: 40
- Energy Usage: 40
- Fire Type:
auto - Inaccuracy:
- Base Dps: 10
- Fire Time: 1.5
- Projectile Type:
poisonplasmarocket - Projectile Count: 1
Secondary Ability
Alternative ability of the item, activated with right mouse button.
Parameters:
- Projectile Type:
guidedrocket
Sources
Can be bought from merchants:
Can be obtained via 
Technical Information
- In-game ID:
ct_tool_mimic-r_power-upgrade - Level:
6 - Power:
4.56 - Rarity:
Legendary - Tags:
alta,isoslime,legendary,poison,ranged,rocketlauncher,upgradeableWeapon,weapon - File:
/items/buildscripts/ct_mimics/tool.activeitem