I'm gonna give some suggestions, but these are basically for a 'Warframe Mod' rather than 'Warframe Weapon Mod'. This mod's got potential, that's for sure. If you have a suggestion, please leave it down below. Slow, but accurate and devastating.)I'm still trying to balance the weapons and find a sweetspot for all of them. Vectis (Late Pre-hardmode, Post-Skeletron weapon.

Skana (Pre-EoC fight weapon, has autoswing.) Sancti Tigris (Late Pre-hardmode weapon, although it can be acquired somewhat early.) Rubico (Late Pre-hardmode, Post-Skeletron weapon. Prisma Grakata (Mid Pre-hardmode weapon, faster than the original, slightly more damage, noticeably more accurate.) Prisma Gorgon (Mid Pre-hardmode weapon, slightly more knockback than the standard version, noticeably more accurate, more crit chance.) Latron (Mid Pre-hardmode weapon, can be acquired early with enough dedication.) Karak Wraith (Mid Pre-hardmode weapon, faster than the original, deals slightly more damage.)

Karak (Early Pre-hardmode weapon, fast, moderately accurate, cheap.) Grakata (Early Pre-hardmode weapon, incredibly fast, but inaccurate and low damage.) Gorgon Wraith (Mid Pre-hardmode weapon, slightly more damage than the normal version.) (Early Pre-hardmode weapon, heavy minigun.)

Warframe primary status mods