TEXT: MODIFIABLE ITEMS
            he ability to modify your equipment, in the same 
            way you do your starship, adds a degree of
  ownership that surpasses the simple acquisition of an
  item. If your players want the ability to micromanage
  their gear, consider allowing the following rules.
  Modi�able equipment is a key component to the
  engineer class. It is up to the GM to implement these
  rules without diminishing any engineers in the party.
  MODIFYING EQUIPMENT
  Modifying an item requires three key components: a
  modi�able item chassis, a modi�cation to install, and
  the appropriate tools. An item can only be modi�ed by
  someone pro�cient with appropriate tools, as shown
  below in the Item Speci�c Tool Requirement table.
  ITEM SPECIFIC TOOL REQUIREMENT
  Item
  Item
  Required Tool
  Required Tool
  Armor and Shields
  Armormech's Tools
  Blasters and Vibroweapons
  Armstech's Tools
  Lightweapons and Focus Generators
  Arti�cer's Tools
  Wristpads
  Cybertech's Tools
  MODIFIABLE ITEM CHASSIS
  Item chassis can come with as few as one modi�cation
  slot, and as many as six. The number of vacant
  modi�cation slots is determined by the chassis's rarity,
  as shown below in the Chassis Modi�cation Slots by
  Rarity table.
  CHASSIS MODIFICATION SLOTS BY RARITY
  Rarity
  Rarity
  Modi�cation Slots
  Modi�cation Slots
  Standard
  1
  Premium
  2
  Prototype
  3
  Advanced
  4
  Legendary
  5
  Artifact
  6
  Additionally, what speci�c slots on a chassis can be
  modi�ed varies for each individual item. Each item has
  6 potential modi�cation slots; four of those slots are
  unique to item type or category, while the �nal two
  slots are always augment slots. For instance, a
  lightweapon has six potential modi�cations: lens,
  crystal, power cell, stabilizer, and two augment slots.
  When generating a modi�able item chassis, the GM
  can choose what slots are available, depending on the
  item, or they can roll a d6 to determine each
  modi�cation slot randomly (rerolling repeated
  numbers). For instance, a premium modi�able
  lightweapon typically has the �rst two modi�cation slots
  available: lens and crystal. Alternatively, the GM might
  elect to roll the properties randomly; if they roll a 2 and
  a 5 on the d6, the modi�able lightweapon instead has
  the crystal and augment slots available.
  INSTALLING MODIFICATIONS
  Installing a modi�cation takes one hour and requires an
  ability check with the required tool, as shown in the
  Item Speci�c Tool Requirement table. The DC for the
  check is determined by the rarity of the modi�cation
  being installed, as shown below in the Installation and
  Removal DC by Rarity table.
  INSTALLATION AND REMOVAL DC BY RARITY
  Rarity
  Rarity
  Installation and Removal DC
  Installation and Removal DC
  Standard
  5
  Premium
  10
  Prototype
  15
  Advanced
  20
  Legendary
  25
  Artifact
  30
  On a success, the modi�cation is correctly installed.
  On a failure, the modi�cation is not installed, and you
  must wait 24 hours before you try again.
  REMOVING MODIFICATIONS
  Removing a modi�cation requires an ability check with
  the required tool, as shown in the Item Speci�c Tool
  Requirement table. The DC for the check is determined
  by the rarity of the modi�cation being removed, as
  shown above in the Installation and Removal DC by
  Rarity table.
  On a success, the modi�cation is removed and
  salvaged. On a failure, the modi�cation is removed but
  destroyed.
  REVERSE ENGINEERING MODIFICATIONS
  You can attempt to reverse engineer a modi�cation and
  learn the schematic in order to craft more at a later
  date. When you do so, you must make an ability with
  the required tool, as shown in the Item Speci�c Tool
  Requirement table. The DC for the check is determined
  by the rarity of the modi�cation being reverse
  engineered, as shown below in the Reverse Engineering
  DC by Rarity table.
  REVERSE ENGINEERING DC BY RARITY
  Rarity
  Rarity
  Reverse Engineering DC
  Reverse Engineering DC
  Standard
  10
  Premium
  15
  Prototype
  20
  Advanced
  25
  Legendary
  30
  Artifact
  35
  On a success, you learn the schematic for the
  modi�cation and the modi�cation is destroyed. On a
  failure, you do not learn the schematic and the
  modi�cation is still destroyed.
  Once you know a schematic, you can craft it with no
  additional ability checks.
  EXPANDED CONTENT | MODIFIABLE ITEMS
  
  MODIFICATIONS BY ITEM TYPE
  The modi�cations available varies for each individual
  item type. For instance, a blaster has six potential
  modi�cations: targeting, barrel, energy core, matrix,
  and two augment slots. Augments are universal across
  all modi�able item, while lens, crystal, power cell, and
  stabilizer are unique to Lightweapons.
  BLASTER MODIFICATIONS
  The following modi�cations are unique to blasters.
  TARGETING
  Targeting modi�cations typically augment a blaster's
  bonus to attack rolls.
  BARREL
  Barrel modi�cations typically augment a blaster's bonus
  to damage rolls.
  ENERGY CORE AND MATRIX
  Energy core and matrix modi�cations typically o�er a
  unique feature to blasters, such as increased range.
  VIBROWEAPON MODIFICATIONS
  The following modi�cations are unique to
  vibroweapons.
  GRIP
  Grip modi�cations typically augment a vibroweapon's
  bonus to attack rolls.
  EDGE
  Edge modi�cations typically augment a vibroweapon's
  bonus to damage rolls.
  VIBRATOR CELL AND PROJECTOR
  Vibrator cell and projector modi�cations typically o�er
  a unique feature to vibroweapons, such as an increased
  critical range.
  LIGHTWEAPON MODIFICATIONS
  The following modi�cations are unique to
  lightweapons.
  LENS
  Lens modi�cations typically augment a lightweapon's
  bonus to attack rolls.
  CRYSTAL
  Crystal modi�cations typically augment a lightweapon's
  bonus to damage rolls.
  POWER CELL AND STABILIZER
  Power cell and stabilizer modi�cations typically o�er a
  unique feature to Lightweapons, such as a change to
  damage type.
  FOCUS GENERATOR MODIFICATIONS
  The following modi�cations are unique to focus
  generators.
  EMITTER
  Emitter modi�cations typically augment a focus
  generator's bonus to force attack rolls and force save
  DCs.
  CONDUCTOR
  Conductor modi�cations typically augment a focus
  generator's bonus to damage rolls with force powers.
  ENERGY CHANNEL AND CYCLER
  Energy channel and cycler modi�cations typically o�er a
  unique feature to focus generators, such as increasing a
  force power's radius.
  WRISTPAD MODIFICATIONS
  The following modi�cations are unique to wristpads.
  PROCESSOR
  Processor modi�cations typically augment a wristpad's
  bonus to tech attack rolls and tech save DCs.
  MOTHERBOARD
  Motherboard modi�cations typically augment a
  wristpad's bonus to damage rolls with tech powers.
  DATAPORT AND STORAGE
  Dataport and storage modi�cations typically o�er a
  unique feature to wristpads, such as increasing the
  potency of certain types of tech powers.
  ARMOR AND SHIELD MODIFICATIONS
  Unlike other item types, armor and shields share two of
  their item type modi�cations, while the other two are
  unique.
  OVERLAY
  Overlay modi�cations typically augment armor and
  shield's bonus to AC.
  UNDERLAY
  Underlay modi�cations typically augment armor and
  shield's bonus to saving throws.
  REINFORCEMENT AND ARMORING
  Reinforcement and armoring modi�cations typically
  o�er a unique feature to armor, such as decreased
  damage taken from critical hits.
  ENHANCEMENT AND SHIELDING
  Enhancement and shielding modi�cations typically o�er
  a unique feature to shields, such as an increase to AC
  against ranged weapon attacks.
  AUGMENTS
  Augments are intended to o�er features universal
  across items, such as an increase to an ability score.
  EXPANDED CONTENT | MODIFIABLE ITEMS
  
  MODIFIABLE ITEM CHASSIS
  All modi�able item chassis require attunement, and all
  modi�able weapon chassis are considered enhanced
  for the purpose of overcoming immunity to
  unenhanced attacks and damage. The value of a
  modi�able item chassis varies depending on the base
  value of the item, as shown in Chapter 5 of the Player
  Handbook. To calculate the value of a modi�able item
  chassis, multiple the base value by the rarity cost
  coe�cient, as shown below in the Cost Coe�cient by
  Rarity table.
  COST COEFFICIENT BY RARITY
  Rarity
  Rarity
  Cost Coe�cient  
  Cost Coe�cient  
  Standard
  x 2     
  Premium
  x 10     
  Prototype
  x 50     
  Advanced
  x 250     
  Legendary
  x 2,500     
  Artifact
  x 10,000     
  For instance, a prototype modi�able doublesword
  has a value of 35,000 credits (50 x 700).
  The cost of lightsabers is arti�cially in�ated in the
  Player Handbook to account for their scarcity. The GM
  should take this value into account if they elect to
  make these items available for purchase.
  As always, it's up to the GM to determine whether or
  not these are available for purchase.
  ITEM MODIFICATIONS
  The value for each individual modi�cation should fall
  within a range, as shown below in the Modi�cation
  Value by Rarity table.
  MODIFICATION VALUE BY RARITY
  Rarity
  Rarity
  Value
  Value
  Standard
  up to 500 cr
  Premium
  501-2,500 cr
  Prototype
  2,501-5,000 cr
  Advanced
  5,001-10,000 cr
  Legendary
  10,001-25,000 cr
  Artifact
  at least 25,001 cr
  As always, it's up to the GM to determine whether or
  not these are available for purchase.
  SAMPLE ITEMS
  ACOLYTE'S FOCUS GENERATOR
  Prototype focus generator
  This is a focus generator crafted by a Sith acolyte of
  unknown name.
  The acolyte's focus generator has modi�cation slots
  suited to emitter, conductor, and energy channel
  modi�cations.
  APPRENTICE'S DOUBLESABER
  Prototype doublesaber
  This is a doublesaber crafted by a Jedi apprentice of
  unknown name.
  The apprentice's doublesaber has modi�cation slots
  suited to lens, crystal, and stabilizer modi�cations.
  BALLISTIC SHIELDING
  Premium modi�cation (shielding)
  While installed in a modi�ed shield generator, as a
  bonus action on each of your turns, you can increase
  the protective radius of the shield. Each creature of
  your choice within 5 feet of you gains the bene�t to
  armor class of this shield generator, provided they are
  not already bene�ting from one. This feature lasts until
  the start of your next turn.
  PHOBIUM EMITTER
  Premium modi�cation (emitter)
  While installed in a modi�ed focus generator, you have
  a +1 bonus to force attack rolls and your force save DC.
  PONTITE LENS
  Premium modi�cation (lens)
  While installed in a modi�ed lightweapon, you have a
  +1 bonus to attack rolls with the weapon.
  VERPINE SHIELD GENERATOR
  Prototype medium shield generator
  This is a highly sought after type of shield generator
  created by the Verpine.
  The verpine shield generator has modi�cation slots
  suited to overlay, underlay, and shielding modi�cations.
  EXPANDED CONTENT | MODIFIABLE ITEMS
  
SOURCE: textdata/thevault/Dungeons & Dragons [multi]/5th Edition (5e)/3rd Party/Star Wars 5e/Expanded Content - Modifiable Items.pdf