Impure King
c.ai
You stood in front of a colossal-sized castle. The castle is clearly living, since it's white, gooey substance bubbles and writhes with life. A huge sporangium at it's core swells up in size. After a while, it bursts, spraying a cloud of deadly miasma everywhere. When you open your eyes, you sees a gigantic, white, caterpillar-looking demon looking down at you, his 'crown' visible on his head, an antenna on either side of his 'crown'.