Blood that obtained by killing Siege Type Phobos.
— Official description

Siege Type's Blood or Phobos Blood was a special item that can be obtained after defeating the Purple Siege Type Phobos in map Chaos.

This item is no longer obtainable after the Zombie Scenario Re:boot patch.


A player must has at least one quantity of Siege Type's Blood to be combined to get the Dr. A's Trunk.


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