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Mass Effect 3 Legendary Edition

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Master Thief

Shane Williams

Master Thief is Passive Power which is only available to Kasumi Goto in Mass Effect 3.


Ranks Upgrades Stats
1 Boost power damage, shields/barriers, and health Health & Shield Bonus: 10%, Power Damage Bonus: 20%
2 Increase health and shield bonus by 10% and power damage bonus by 20% Health & Shield Bonus: 20%, Power Damage Bonus: 40%
3 Increase health and shield bonus by 30% and power damage bonus by 60% Health & Shield Bonus: 30%,** Power Damage Bonus:** 60%
4 Power Damage: Increase power damage by 20% or Health & Shields: Increase health and shield bonuses by 20% Health & Shield Bonus: 30/50%, Power Damage Bonus: 30/50%
5 Weapon Damage: Increase weapon damage by 20% or Tech Damage: Increase tech power damage by 30%. Health & Shield Bonus: 30/50%, Power Damage Bonus: 30/50%
6 Squad Bonus: Increase squadmate tech power damage and duration by 10% or Shield Recharge: Decrease shield-recharge delay by 20% Health & Shield Bonus: 30/50%, Power Damage Bonus: 30/50%


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Guide Information

  • Publisher
    Electronic Arts
  • Platforms,
    PC, PS3, Wii U, XB 360
  • Genre
    Action RPG, Third-person shooter
  • Guide Release
    14 May 2021
  • Last Updated
    15 June 2022
    Version History
  • Guide Author
    Andrew Mills, Claire Farnworth

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For years, a lone soldier has told tales of the Reapers, of their return, of these sentient machines reaching out across the vastness of space, to harvest all sentient life. But the warnings were all for nothing. Until now. The Reapers have at last come to Earth and these warnings can no longer be ignored. You are Commander Shepard, the first human spectre and elite soldier of the Alliance, tasked with uniting the galaxy in the fight to stop the Reapers destroying everything you hold dear. In your hands lies the fate of the entire Milky Way but luckily, this time, you are no longer alone.

  • All side missions completed containing the included DLC.
  • Find every single weapon mod tucked away in the game.
  • In-depth look at the major choices and consequences of each.
  • Full details on all possible Romances.
  • Class builds to get the most out of your chosen class.
  • All Biotic Combos and Tech Bursts explained.
  • Details on every Power.
  • Builds for all squad mates.
  • Trophy/Achievement guide.

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