A helpful hint on beating zodiac on lucid dream/nightmare: carry 2 adrenaline rushes and 2 life streams with you, have the power overwhelming and grim reaper equipped.... ok so when you get to zodiac, immediately use 1 of your adreanline rushes. then just dodge all his attacks the best you can, makign sure to avoid the spike balls he shoots. When he casts that spell that reduces your life to 1, use life stream. If your summon runs out of time, use your other adrenalien rush. And if he uses that spell that reduces your life to 1 again, use your other life stream and use any extra monster power you have left.
Click + if this helped