Oracle

Oracle is a character from Strife. He's a blue-skinned man floating in the air in a brown robe and a green mask. He uses The Order's soldiers as guardians. A Spectre can be seen floating at the ceiling of the Oracle's room. The Oracle himself is very weak and harmless, literally having only 1 Hit Point, but when you kill him, aforementioned Spectre attacks the player.

Spoiler Warning: Plot details follow.

The Oracle is also a source of information for the player after the Programmer is destroyed in the Order's castle. He will tell you of the Bishop and that you must kill him, and then return to the Oracle. When you do return to him, he tells the player Macil is one of the enemy. The player can choose at this point whether to kill Macil and listen to the Oracle, or go to Macil and be conviced the Oracle is the main enemy. Who you decide to destroy first affects the "good" ending of Strife(when you defeat the Entity in the final level).

If you kill Macil first, you will get the worse of the two good endings, since you will not be able to travel to the Processing Factory that turns humans to Acolytes, as the Oracle will skip you directly to the Loremaster, and then after killing the Loremaster, you'll have to kill the Oracle to get the last Sigil piece.

If you go to Macil but decide after talking to him to kill the Oracle, you'll get a Stamina/Accuracy boost, and killing the Oracle at this point will lead to the best ending, were a cure for the virus in the story is found from the factory that Macil will send the player after killing the Oracle, and the player will get to see Blackbird's true visage.