Glyph of Fortification

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Tower under the effects of Glyph

The Glyph of Fortification, or Glyph, is an ability usable by any player that causes all friendly buildings to become impervious to damage for a short duration. Glyph lasts for five seconds, and has a five-minute cooldown per team. A team's Glyph cooldown is refreshed 1 second after they lose a Tier 1 Tower.


The Glyph button

The Glyph of Fortification can be activated by any player with a button at the right of the minimap or the shortcut they defined in the settings. Glyph grants all buildings belonging to that team 100% damage resistance, so that they take absolutely no damage from anything. They are not turned invulnerable, meaning buildings under the effect of the Glyph can still be targeted by attacks and spells, which invulnerability would prevent.


  • In DotA, Glyph grants friendly buildings spell immunity and +9999 armor, instead of 100% damage resistance like in Dota 2.
    • This means physical attacks still did 1 damage to them, since 100% physical damage resistance cannot be achieved with just armor, and the game rounds damage numbers to full numbers.
    • This also means that fortified buildings cannot be targeted by some spells which otherwise could target them.
  • In earlier versions of DotA, Glyph did not grant spell immunity, and skills such as Pugna minimap icon.png Pugna's Nether Blast icon.png Nether Blast could deal damage through it.

Patch history[edit]

  • Bots will now use Glyph if their base is under attack and there are no humans on their team.
  • Added a cooldown sound for clicking the Glyph while it is on cooldown.
  • Added hotkey settings for Courier and Glyph.
  • Fixed spectator getting an error message when pressing glyph button.
  • Added tooltip and button state to glyph button.
  • Added button for Glyph to the right side of the HUD.
  • Hooked up donkey loss and glyph use announcer messages and chat messages.

Version history[edit]

  • Glyph of Fortification cooldown refresh is now granted 1 second after a Tier 1 tower dies rather than immediately.
  • Fixed Glyph not affecting Effigy buildings.
  • Glyph of Fortification cooldown is now refreshed whenever you lose a Tier 1 tower.
  • Glyph duration increased from 4 to 5 seconds.
  • Fortify Buildings glyph ability now prevents magic damage as well.
  • Reduced Glyph cooldown from 6 minutes to 5 minutes.
  • Glyph cooldown is now reset on initial creep spawn.
  • Minor improvements to Glyph of Fortification.
  • Added.
    • Gives Old TP Scroll style bonus armor to all allied buildings for 4 seconds. Cooldown: 6 Minutes.

See also[edit]