Payload is a shot which is colored white and leaves a blue trail.
It deals 10 damage, and drops a "payload" at its peak.
The "payload" deals 60 damage.
Total Possible Damage*: 70
Team Damage: Yes
*Assuming there are no critical hits, and you hit only one player
Upgrades
Magic Shower
It is a bit bigger than Payload, and drops "mini payloads" every half a second (similar to seagull).
The "mini payloads" start dropping around 0.5 a second after shooting it.
-Mini payloads" deal 10 damage each, and the Magic Shower which drops the "mini payloads" deals 20 damage upon hitting the ground.
Total Possible Damage*: 170
Team Damage: Yes
*Assuming there are no critical hits, and you hit only one player
Tips
Magic shower is very good as a suicide attack