Gene Tonics are special serums made from processed ADAM that introduce modified stem cells into the body, allowing for genetic modification and mutation, giving the user what some might call "super powers". In BioShock, Jack is able to choose from a vast selection of Tonics to equip. With Tonic Slot upgrades, the player can equip up to eighteen Tonics, which can be swapped at a Gene Bank. Tonics have three classifications, and only six Tonics per classification may be equipped at one time. Tonics are found in Rapture or purchased at Gatherer's Gardens.
Combat Tonics improve the player's offensive and defensive capabilities. The player can change their equipped Tonics at a Gene Bank. Those found in the world of Rapture glow in their bottles like Plasmids and other Tonics, and Combat Tonics glow a pale green in color.
Reduces electric damage received by 75% and increases outgoing electric damage by 30%.
Location:
Found in the projector room of Fort Frolic after completing Sander Cohen's masterpiece. Also for purchase from a Gatherer's Garden in Hephaestus and onwards.
Reduces cold damage received by 15%. While the Wrench is equipped, it deals an extra ten points of cold damage and has a 10% chance of freezing anyone struck.
Reduces cold damage received by 30%. While the Wrench is equipped, it deals an extra twenty points of cold damage and has a 20% chance of freezing anyone struck.
Location:
Found on the desk in the side office of Andrew Ryan's Trophy Room in Hephaestus. Available for purchase at a Gatherer's Garden in Olympus Heights and all subsequent levels.
Reduces heat damage received by 20%, increases heat damage inflicted by the user by 30% and causes burning enemies to take damage at a 30% higher rate.
Location:
First available for purchase from a Gatherer's Garden in Arcadia (after patch 1.1 and DLC for PC and Xbox 360 versions).
Reduces heat damage received by 40%, increases heat damage inflicted by the user by 50% and causes burning enemies to take damage at a 50% higher rate.
Location:
Available for purchase at a Gatherer's Garden in Point Prometheus (after patch 1.1 and DLC for PC and Xbox 360 versions).
Causes the user to emit an electric burst when struck by a melee attack. The burst does thirty points of electric damage and has a 15% chance of shocking the attacker.
Location:
Found in the surgical ward of the Medical Pavilion.
Causes the user to emit an electric burst when struck by a melee attack. The burst does fifty points of electric damage and has a 25% chance of shocking the attacker.
Increases Wrench damage by 150% against unaware or shocked opponents and quiets the user's footsteps.
Location:
On the ledge near the Gene Bank and Gatherer's Garden on the way back to Fontaine's Fisheries in Neptune's Bounty. Also available for purchase at Gatherer's Gardens from Arcadia onwards.
Engineering Tonics improve the player's hacking ability and interaction with machines. The player can change their equipped Tonics at a Gene Bank. Those found in the world of Rapture glow in their bottles like Plasmids and other Tonics, and Engineering Tonics glow a deep gold in color.
In Apollo Square, the fourth floor of the Hestia suites, on a desk in the corner of the room near the safe. Also available for purchase in Point Prometheus.
When hacking safes and combination locks, there are two fewer Alarm and Overload Tiles, one fewer Acceleration Tile, and three added Resistor Tiles. The flow speed is also reduced by a half second per tile.
Location:
In the second gift for rescuing six Little Sisters.
When hacking safes and combination locks, there are four fewer Alarm and Overload Tiles, two fewer Acceleration Tiles, six added Resistor Tiles, and the flow speed is also reduced by one second per tile.
Location:
It can be found in the autopsy lab of Little Wonders Educational Facility in Point Prometheus, on one of the tables next to a pheromone sample.
When hacking security devices, it removes up to two Alarm and Overload Tiles, one Acceleration tile, adds one Resistor tile, and the flow speed is also reduced by a half second per tile.
When hacking security devices, it removes up to four Alarm and Overload Tiles, two Acceleration Tiles, adds three Resistor Tiles, and the flow speed is also reduced by one second per tile.
Location:
Complete the second level of research for Security Bots.
Physical Tonics improve the player's physical and physiological properties. The player can change their equipped Tonics at a Gene Bank. Those found in the world of Rapture glow in their bottles like Plasmids and other Tonics, and Physical Tonics glow a bright blue in color.
Gain a significant increase in extra health from bandages, drinks, and food.
Location:
Downstairs inside Sinclair Spirits in Fort Frolic, in the back corner of the water filled room. Also available at Gatherer's Garden vending machines from Hephaestus onward.
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