When creating a tier 2 weapon, it must be tier 1, it will gain +1 to hit and +2d4 elemental damage determined by the tier 0 roll. It gains another slot for slot features.
Upgrading to tier 2 requires the creator to be level 8 and 250 g worth of weapon parts. This process of upgrading to tier 2 (t2) takes 8d12 hours and consumed 20 focus / resource.
Exhumed: If you stand up from being revived by some method or immediately after passing a constitution or death save you gain +10 to damage rolls and advantage to hit on the next attack, as well as improved critical.
(Firearm) Explosive Rounds: This weapon when shooting explodes. It deals 1/4 damage to all creatures within 5 ft. This can not be chosen if another ammo type feature has been chosen such as armor piercing, ricochet or explosive.
Lightweight Weapon: If you start your turn with this weapon in your hands you gain 10 ft. of movement speed.
(Firearm) Rangefinder: When concentrating, this weapon has 35 farther range.
Unflinching: When forced to make a dexterity save or strength while holding this weapon, you gain advantage.
Threat Detector: While holding this weapon you have advantage on perception and can roll to see how many hostile creatures are within 20 ft. of you.
Battle Runner: For every creature killed with this weapon you gain a stack of "Battle Runner" that lasts for 1 minute and refreshes every time you gain a stack. Each stack adds 10 movement speed up to 30 additional feet.
(Firearm) Armor Piercing Rounds: The weapon can pierce most barriers. It is blocked by 1 inch of metal, 2 inches of stone, 3 feet of wood or something weaker. This can not be chosen if another ammo type feature has been chosen such as armor piercing, ricochet or explosive.
Transmat Hilt: As a bonus action, you can recall a weapon with this property to your hands. You must have held it within the last hour.
(Firearm) Battery Weapon T2: To slot this feature one must have a battery weapon. When slotting this feature choose 2 of the following parts.
Accelerated Coil: It no longer has the loading property
Enhanced Battery: Its battery now has a capacity of 150.
Particle Scattering: This weapon now shoots in a cone of 10 ft.
Supercharger: This weapon gains +2 to damage rolls
These are other features that if selected will lock the weapon at tier 2 and it can no longer be modified by any means besides magical destruction.
The Scholar: This weapon may add double your intellect modifier to hit and damage rolls.
Inspired by Redrix: This weapon if it hit on its last attack, gains advantage until it misses.