The Protector Prajnantaka presides over the southern direction. Prajnantaka is white in colour. Prajnantaka has three faces of white, blue and red colour. He has four arms. He holds a white staff with vajra mark, a sword, a jewel and a lotus. His two principal hands embrace his prajna.

Buddhist Vajracharyas during an initiation rite have these images of ten deities painted on a wooden planks. The stone and bronze images are very rare and are available only in China.