Warframe New Player Tips

Improve your damage

The easiest way to increase the damage you do early on, is to make sure you have non-damaged versions of the mods Serration, Point Blank, Hornet Strike and Pressure Point (for rifles, shotguns, secondary and melee weapons respectively), and fuse Endo into them to increase their level.

The second most important mods, for ranged weapons, are Multishot mods, like Split Chamber, Hell's Chamber and Barrel Diffusion (rifle, shotgun, secondary), although these may be harder to obtain (I may have spares of these to trade though ~ [polarity]).

Next are the elemental damage mods for fire, cold, electricity and toxin damage:

• Rifle - Hellfire, Cryo Rounds, Stormbringer, Infected Clip.
• Shotgun - Incendiary Coat, Chilling Grasp, Charged Shell, Contagious Spread.
• Secondary - Heated Charge, Deep Freeze, Convulsion, Pathogen Rounds.
• Melee - Molten Impact, North Wind, Shocking Touch, Fever Strike.

Pairs of these combine to form 6 more elemental damage types, depending on where they are place in the mod loadout:

• Blast = Heat + Cold.
• Radiation = Heat + Electricity.
• Gas = Heat + Toxin.
• Magnetic = Cold + Electricity.
• Viral = Cold + Toxin.
• Corrosive = Electricity + Toxin.

Using the correct elemental damage type for the faction you are facing can significantly increase the damage you do against them.

This is explained in full on the official Warframe Wiki, here.