Fortress

For the endgame area, see Fortress (map).

Fortress is a support gem category. The following support gems belong in that category:

• Fortress IFortress ISupport
  Category: Fortress
  Tier: 1Support Requirements: +5 IntSupports skills that create walls in a line, causing them to be created in a circle instead but deal less Hit damage.Supported Skills deal 40% less damage with Hits
  Walls from Supported Skills are created in a Circle insteadPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
• Fortress IIFortress IISupport
  Category: Fortress
  Tier: 3Support Requirements: +5 IntSupports skills that create walls in a line, causing them to be created in a circle instead but deal less Hit damage and have lowered Area of Effect.Supported Skills have 20% less Area of Effect
  Supported Skills deal 30% less damage with Hits
  Walls from Supported Skills are created in a Circle insteadPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.

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