Crimson Guard in Dota 2: description, build and who buys it

A cuirass originally built to protect against the dreaded Year Beast.

Abilities

• +250 Health
• +12 Health Regen
• +6 Armor
• Active: Guard. For 7 seconds, grant nearby allied heroes and buildings a 100% chance to block damage equal to 70 plus 2% of the caster's max health value from each incoming attack. Radius: 1200
• Passive: Damage Block. Grants a 60% chance to block 75 damage from incoming attacks on melee heroes, and 50 damage on ranged.

Built from

• Vanguard
• Helm of Iron Will

Builds into

All heroes

• Underlord
• Visage
• Bristleback
• Chen
• Ogre Magi
• Pudge
• Witch Doctor
• Beastmaster
• Viper
• Omniknight