Mod of Redemption/Nebuleus, Angel of the Cosmos

"I fear I may be too late, but your existence has brought a disequilibrium upon the world..."

Nebuleus, Angel of the Cosmos is a post-Moon Lord that can be fought after. She is currently the final boss of Mod of Redemption.

While Nebuleus, Angel of the Cosmos is alive, the music will play. If the Anti-Antti is enabled, the vanilla track Moon Lord will play instead. If the Music Replacements for Claimable Music setting is enabled, will play instead.

Spawn
Nebuleus is summoned using a at night. She will not spawn if hasn't been defeated or your Alignment is below Zero.

Behavior
Nebuleus is a stationary boss that floats slowly. She will teleport after an attack or if the player is too far away. Every time she loses 25% of her HP, she will drop a large number of hearts and Nebula Boosters.

At the start of the fight, Nebuleus summons her Giant Star Serpent. While it is alive, Nebuleus is immune to damage and shoots bursts of arcing stars. Once the Star Serpent has been killed for the first time, she will never summon it in subsequent battles.

When the Giant Star Serpent is defeated, Nebuleus will begin attacking, starting with four attacks but gaining more as her health decreases. Each attack is called out as dialogue above Nebuleus' head.

Attacks

 * At all times:
 * Star Blast - Shoots 3 bursts of 8 stars from herself that arc outwards, alternating between moving right and left.
 * Starfall - Rains a mass of stars down at the player’s location.
 * Piercing Nebula - Consecutively shoots 2 wide beams directly at the player.
 * Star Vortex - Fires a slow moving vortex that spews out multiple stars.
 * Below 75% life:
 * Erratic Star Burst - Releases a random amount of arcing stars with random velocities.
 * Piercing Nebula Burst - Shoots a bursts of 8 evenly-gaped Piercing Nebulas from herself.
 * Nebulous Portals - Summons 3 portals, which summon either a Brain Suckler, Evolution Beast, or Nebula Floater.
 * Super Starfall - Rains down stars from the sky in a wider area, but more spaced out.
 * Below 50% life:
 * Chains of the Cosmos - Fires 4 chains at the player, which deal little damage, but makes the player unable to move.
 * Eyes of the Cosmos - Creates a big ritual circle around self, summoning 8 eyes which each shoot a Piercing Nebula at the player before disappearing.
 * Below 25% life:
 * Crystal Stars - Crystal Stars fall from the sky, exploding into 5 shards after a short period.
 * Star Blast - Now shoots another burst of stars after her first and in a faster succession.
 * Piercing Nebula - Now shoots 4 beams and in a faster succession.
 * Star Vortex - Now shoots 2 vortexes.

In Expert Mode:


 * When Nebuleus reaches 7% health, she transforms into her final form.

In Expert Mode
In this form, Nebulous uses most of her attacks from her first phase, but with increased frequency and with some being empowered even further. Stars will also passively be horizontally shot from the left and right of the player.

While Nebuleus, Angel of the Cosmos' second phase is alive, the music will play. If the Anti-Antti is enabled, the vanilla track Moon Lord will play instead. If the Music Replacements for Claimable Music setting is enabled, will play instead.

Attacks

 * All Stars are larger except those shot from the Star Vortexes.
 * No longer uses Starfall or Super Starfall.
 * Nebulous Portals and Chains of the Cosmos are unchanged.
 * Star Blast - Only uses one wave of 5 bursts but in an even faster succession.
 * Piercing Nebula - Shoots 5 beams.
 * Star Vortex - The second vortex is shot in the opposite direction of the first.
 * Erratic Star Burst - Releases more stars overall.
 * Piercing Nebula Burst - Shoots two consecutive bursts of Piercing Nebulas.
 * Eyes of the Cosmos - Eyes are summoned immediately and fire Piercing Nebulas at approximately the same time.
 * Crystal Stars - Rains down an additional Star.

Quotes

 * The following dialogue will only appear if the disabling boss dialogue is set to  .
 * Most of the quotes that appear from her are displayed on the center of the screen in a color changing indigo and pink.
 * At the start of the battle:
 * Nebuleus says the following in sequence:
 * "[Player Name], I've been observing you from afar, you've been gaining a lot of power..."
 * "I fear I may be too late, but your existence has brought a disequilibrium upon the world..."
 * "So many have fallen to you...if I don't stop this now, then who will?"
 * "Enough chatter, I'm sure you're getting tired of this by now."
 * "Just know, [Player Name], I am doing this for your sake..."
 * "If you lose to me...maybe the Demigod won't notice you."
 * If the player has died once to Nebuleus before and hasn't defeated her yet:
 * "You...are still alive?" If the player has already beaten Nebuleus:
 * If the player has already defeated Nebuleus once:
 * "Nebuleus is nowhere to be found..."
 * Summoning the Giant Star Serpent:
 * "Go, my pet! I will back you up."
 * Giant Star Serpent is killed:
 * "My star serpent is slain...and I fear I will be next."
 * At 75% HP
 * "ARGH! No! Don't come close!"
 * At 50% HP
 * "Please just give this up!"
 * At 25% HP
 * "Don't you realize what you're doing?"
 * Upon defeat:
 * Nebuleus says the following in sequence:
 * "Stop!"
 * "I can see now, I am too late..."
 * "It was foolish of me to wait so long..."
 * "No...I refuse to lose to someone like you..."
 * "If I'm going down, at least let me try..."
 * "To give it all I've got!" (when transforming)
 * "Even with me gone, there are many others stronger than myself!"
 * "You wouldn't last a second against the Demigod of Light..."
 * "But enough talk, I'm your opponent!"
 * If Nebuleus has already been defeated once:
 * "Stop!"
 * "All this fighting frustrates me."
 * "Before that dumb robot attacked me, I hadn't fought in years."
 * "In a way, I guess this is practice."
 * "Listen, I'm still a little concerned about how much power you've gained..."
 * "So I'll still give it my all."
 * "Now, time to do this again..."
 * Upon defeat in second form:
 * Nebuleus says the following in sequence the first time she is defeated:
 * "It's always the same isn't it?"
 * "Even when I try my hardest... I'm still a failure."
 * "You've made me realise, I'm not strong enough. I give up."
 * "Don't expect me to come back."
 * "But...if the Demigod ever notices you, and comes for you..."
 * "Don't tell him I'm still alive. It would be best for him to believe that robot had killed me..."
 * "And I'm too ashamed to face him."
 * "Well, this is goodbye forever, Terrarian."
 * "Well, this is goodbye forever, Terrarian."

Tips

 * Memorize the attacks' names, as they appear above Nebuleus' head.
 * When Star Blast starts, find a safe spot where none of the stars hit, and stay there until the attack is over.
 * Using a piercing weapon with will decimate her Dragon.
 * The Rod of Discord can help escape the Chains of the Cosmos if they manage to hit the player.
 * Rooster Wings can provide invaluable mobility for the battle.
 * During the second phase, flying up and down in great sweeping motions can help dodge a lot of attacks.

Trivia

 * The idea for this boss was originally thought of by Kirill Greathly in the mod's homepage.
 * Kirill also originally named the boss “Corrupted Star God” until Hallam, the main developer of Mod of Redemption, remade the concept of the boss into what it currently is.
 * This boss has 2 planned attacks that were never implemented: Nebula Dash and Nebula Blink Dash.
 * If there are other mods installed, in addition to warning the player about the Demigod of Light, Nebuleus will also reference endgame bosses from the other mods, many of which have not been implemented yet in their respective mods. She is currently known to reference bosses from Ancients Awakened and Calamity. She will always warn about 3 bosses, with the Demigod of Light always being the 3rd.
 * Ancients Awakened Bosses:
 * "The overmind of fungus" (Mushroom Madness)
 * "The Hero of Legend" (Terra)
 * "The forgotten soul of the destroyer titan" (Soul of Cthulhu)
 * "The evil warden of that horrid dungeon" (Decay)
 * "The giant of steel and darkness" (Infinity Zero)
 * "The Emperor of Discord" (???, Discord Incarnate)
 * "He who created all" (Azathoth)
 * "The shadow of death" (Oblivion)
 * Calamity Bosses:
 * "The tyrant's dragon" (Yharon)
 * "The witch of unyielding fury" (Supreme Calamitas)
 * "The cosmic blacksmith" (Draedon)
 * "The Tyrant of the Jungle" (Yharim)
 * "The sphere of terror" (Noxus)
 * "The god of unimaginable power" (Xeroc)