Vigor upgrades | Vigors in BioShock Infinite BioShock Infinite guide, walkthrough
Last update: 13 February 2020
Vigors in BioShock: Infinite are very useful skills / powers. However, you don't need to use the same versions of them during the whole campaign. On this page of the guide, you will learn how to upgrade vigors and how upgraded vigors work.
Vigor upgrades can be purchased by interacting with Veni! Vidi! Vigor! vending machines found throughout the entire Columbia. Some of the upgrades are available in all the machines and some can only be obtained in certain locations. A complete list of upgrades, along with their costs and location info, is in a table seen below.
 | POSSESSION AID Description: Adds ability to possess humans who suicide when the effect expires. Location where the upgrade can be bought: Raffle Square. POSSESSION FOR LESS Description: Decreases the Salts necessary to use Possession. Location where the upgrade can be bought: Hall of Heroes Gift Shop. | Price: $50 Price: $1653 |
 | SHOCK CHAIN AID Description: Adds ability to chain lightning strikes from one enemy to others. Location where the upgrade can be bought: Factory. SHOCK DURATION AID Description: Increases stun duration. Location where the upgrade can be bought: Downtown Emporia. | Price: $1265 Price: $575 |
 | CROW TROP AID Description: Causes the corpses of Murder of Crows victims to become crow traps. Location where the upgrade can be bought: Monument Island Gate. CROWS BOOST Description: Increases stun duration. Location where the upgrade can be bought: Factory. | Price: $1485 Price: $545 |
 | SENDER AID Description: Adds ability to absorb and collect incoming ammunition. Location where the upgrade can be bought: Downtown Emporia. SEND FOR LESS Description: Increases shield duration (press) and decreases Salts cost (hold). Location where the upgrade can be bought: Downtown Emporia. | Price: $1287 Price: $898 |
 | DEVIL'S KISS AID Description: Adds mini clusters for greater area of effect range and damage. Location where the upgrade can be bought: Monument Island Gate. DEVIL'S KISS BOOST Description: Increases damage. Location where the upgrade can be bought: Finkton Docks. | Price: $1241 Price: $666 |
 | CHARGE AID Description: Adds brief invulnerability on attack and recharges shield. Location where the upgrade can be bought: Factory and later. CHARGE BOOST Description: Adds explosive damage. Location where the upgrade can be bought: Downtown Emporia. | Price: $1614 Price: $421 |
 | BRONCO AID Description: Adds ability to chain floating effect from one enemy to others. Location where the upgrade can be bought: Finkton Docks. BRONCO BOOST Description: Increases duration of the enemy's float time (2x). Location where the upgrade can be bought: Factory. | Price: $777 Price: $421 |
 | UNDERTOW AID Description: Increases number of enemies you can pull at one time. Location where the upgrade can be bought: Emporia. UNDERTOW BOOST Description: Increases effective range (2x). Location where the upgrade can be bought: Downtown Emporia. | Price: $306 Price: $1143 |