Harpoon is a tier 4 ship that belongs on Heavy Class ships on starblast.io in MCST Mod. It has a two front weak lasers and have a similar characteristics of "Barracuda".
The Harpoon have less ram power and relatively weak front lasers and mass than barracuda. It is recommended to left unupgraded and upgrade because of it's low mass. (Having of it's similar characteristics, it's shield are rapidly depleted due to the use of ram, so it is highly recommended to max shield regen first.) It has a decent agility and low speed and acceleration. With the help of ram, it is a good miner.