CR 20 monsters

The 3 monsters of challenge rating 20 in the fifth-edition SRD.

MonsterCRTypeAC / HPEditions
Ancient Brass Dragon20Gargantuan dragon20 / 297SRD 5.1 SRD 5.2.1
Ancient White Dragon20Gargantuan dragon20 / 333SRD 5.1 SRD 5.2.1
Pit Fiend20Large fiend19 / 300SRD 5.1 SRD 5.2.1