--Overworld--

Village Raid: Defeat the illager armies that threaten the foundation of civilization by slaying all attackers. You must slay an illager of high status within the ranks of the army, and burn the flag in order to achieve a bad omen. Next you must head to a village, the bad omen is a magic that the evokers will use to track you, and will strike when you're within the confines of the village. (This bosses stages depend on how high your bad omen is)

Nameless One: The king of the undead and ruler of the night, he will be found resting in his chambers within the Desert Temple surrounded by his vanguards and treasures. Be wary as he is powerful in magic in both instant damage and necromancy. (This boss has two stages)

--Nether--

Wither: A deep evil of the purest form that has an endless hatred for all living things. You must assemble it in the form of an iron golem with soul sand, and place 3 heads from wither skeletons to form the destroyer of worlds. It will stop at nothing until beaten and will otherwise plunge the world into darkness. It can destroy any block it wants, it can make massive explosions, summon wither skeletons, dash, and heal via the suffering it causes. The dark overlord should only be fought when absolutely ready. (This boss has two stages)

--Aether--

Slider: A cube mighty as they come, is the guardian of the most precious treasures found within the Bronze Dungeon. The Slider is immune to all damage from weapons except from pickaxes. don't underestimate the power of his slides, he will crush you in a moment's notice. (This boss has two stages)

Eye Of The Storm: The magnificent dragon of the skies rules over the winds and storms far above all. He is situated in the skies above all within the Brass Dungeon, where he awaits a noble challenge. Awaken the dragon by striking his resting form and the fight will begin, be cautious and only strike the head, otherwise the body will split into more segments that will fight you and overwhelm you. (The boss only has one stage)

Queen Valkyrie: Once the savior of humans in the great illager wars, the Queen Valkyrie sold herself and her Valkyrie sisters to the Aerwhale King in a deal that would doom humanity, in exchange for peaceful sanctuaries around the Aether. You will find her in said sanctuaries known as the Silver Dungeon. You will need to challenge Valkyries to death duels in order to collect metals for the queen. Once you have ten, avenge the fallen in a final duel. (The boss only has one stage)

Sun Spirit: The tyrant of light holds the Aether in constant daylight denying the natural cycle across the land. He dreams of the day he will harvest the full power of the sun to bring about the return of fire to the Aether to give him the strength to overthrow the Aerwhale King. He sits trapped in his prison on a spheroid covered in golden oaks known as the Gold Dungeon. take him out before the true power of the sun is his to control. (The boss only has one stage)

Aerwhale King: With total dominion over the Aether the Aerwhale King has ruled for almost as long as time. Only recently has he changed up his songs of peace to the rhythm of chaos,. you'll find him singing in his castle singing, known as the Platinum Dungeon. Disrupt the synchronizing sounds to get his attention and save the realm. (The boss only has one stage)

--Twilight Forest--

Naga: Largest serpent there ever was, the Naga is the Lich's favorite pet found roaming the Naga's Courtyard. The forest remains alert and in fear of this beast's ravenous hunger, for if it was to be set free no one would be safe. (The boss only has one stage)

Lich: Bother of the Nameless One and a once renowned sorcerer/warrior, the Lich's hunger for the power of everlasting life consumed him till nothing but bone remained. He was cast out into the Twilight Forest by humanity where he built a grudge against the Overworld. He sits atop the Lich's Tower learning the dark arts awiting his chance to return; however before one must enter his tower they must slay the Naga and wear its scales to pass the magical bearer. (This boss has three stages)

Minoshroom: Hidden deep within Minotaur Labyrinth, the lord of Minotaurs known as the Minoshroom has been building an army in private to march on the Overworld alongside the Hydra. He hopes to build an empire out of blood and intends to have the Minotaur race reign supreme over the land, living as they please without consequence. (Lich's magic must be lifted first)(The boss only has one stage)

Hydra: A powerful and mystical dragon found at the swamps fiery center within the Hydra's Lair, is the mastermind behind the plot to unleash the Minotaur horde upon the Overworld. Even if the Minoshroom fails to rally the troops the Hydra plans to get the job done himself no matter the cost. You must first defeat the Minoshroom and use the power of Meef Stroganoff to reach the lair before the Hydra’s plans take hold. (The Boss has stages based on how many heads you cut off)

Knight Phantom: Once a group of six human knights known as the Knights Of The Blocktable, they were the gatekeepers of good and vanquished many evils. One day they received a distress call far away in the far lands about an evil redstone engineer who was building cyborgs via experiments on monsters, and had plans to release his experiments to wreak havoc on every corner of the farlands. They spent years traveling to the world border since the Twilight Portal had not been discovered, and when they got there they used the last relic they knew existed to bypass the border and enter the Forest. The group of six knights found the Dark Forests that surrounded the laboratory and entered, they built the Knight Stronghold as their base of operations and trained the local goblins to help them in their fight. The knights and goblins began their march and were met with fierce resistance resulting in major losses on both sides, all six knights were greatly wounded and had to retreat from battle. Before their deaths the knights cast a spellbinding the Dark Forests Center to remain trapped; however, this came at a cost. The knights would lose their physical body and minds in exchange for power to hold the center from escaping. With their current unstable state there’s no telling what damage their magic will cause once it breaks and releases them. (Lich's magic must be lifted first)      (The boss only has one stage)

Ur-Ghast: Born into this world with cruelty she was heavily experimented on by a crazy redstone engineer for the sake of fun. Her mind caved and soon turned to madness prompting her to be locked up out of sheer terror by the engineer at the top of his layer, the Dark Tower. After several skirmishes with the Knights Of The Blocktable the engineer found himself trapped at his tower by powerful magic postponing his plans till another day. One day he was experimenting with a reactor design that he believed would destroy the spell and release him out into the world; fortunately it failed, causing a reaction that destroyed portions of the tower releasing his experiments from their cages. The top of the tower exploded with great force prompting the release of the Ur-Ghast which without hesitation attacked him. And in the midst of their battle the engineer jumped into the mouth of the Ur-Ghast being swallowed in a moment's notice. Little did she know that this was exactly what the madman wanted, as within her there was a contraption that allowed him to control her from the inside out, ushering the realization the fight was never about survival for the engineer, it was for total control over her. In order to defeat him and lay the Ur-Ghast to rest one must defeat the Knight Phantoms and break the unstable spell.(The boss has two stages)

Alpha Yeti: Found within icy mounds located around the snowy forest known as the Yeti Cave. The Alpha Yeti is a loyal servant of the Snow Queen and has strongly enforced her evil rule resulting in mass suffering. If the queen wills it then He and his broodling Yeti warriors will stop at nothing to execute her wishes. He poses a serious threat and must be defeated to bring about stability to the region. (Lich's magic must be lifted first)(The boss has one stage)

Snow Queen: Cruel and cold as the winds of the arctic, The Snow Queen freezes everything within her powerful grasp. Her ambition’s lie with her turning the entirety of the Twilight Forest into a barren tundra, and will destroy all that stand in her way. The Queen and her guard are stationed within the colorful Aurora Palace, waiting for the right moment to strike frostbite into the hearts of the innocent. Before you make the climb up the glacier you must clear out the Alpha Yeti’s magic by defeating him, to allow safe passage to the palace. (The boss has one stage)

Quest Ram: A magical Ram found within the enchanted forest at the Quest Grove bears the power of chaos within. It’s a peaceful creature, with no room in its soul for violence. It desires nothing more than to collect all 16 wool types to stabilize the chaos energy within.

--End--

Ender Dragon: The gatekeeper of the end and the shatterer of worlds. The Ender Dragon yearns for the day that it could get the opportunity to enter the Overworld, not to rule but to shatter and fragment everything up into space making the Overworld indistinguishable from the Realm that it came from. You will find the Ender Dragon upon entry into the End at the Center End Island waiting for a fight of the century.               (The boss has one stage)

Void Worm: A reality altering monster known as the Void Worm spends its time in the end devouring anything that falls into the void. The instability it causes may lead it one day to learn how to make a portal to the Overworld leading to catastrophe. To lure it out one must throw a mysterious worm into the void forcing it to surface up to the end islands. (The Boss has stages based on how many segments you cut off)