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Make your way up the floating blocks of ice using your High Jump and newly acquired Glide ability. After climbing about halfway up the falls, a cutscene will play; Donald & Goofy will leave the party, and Beast will join your party.

Descend the Castle to the Waterway

NEW HEARTLESS: Darkball, Defender, Wizard, Wyvern

Continue to ascend the floating platforms and Examine the pedestal at the top in order to reach the castle. When you arrive, turn right and examine the node at the edge of the area to descend; jump into the bubble near the far corner to enter the waterway.

Unlock the Castle Doors

Once you are in the waterway, save your progress at the nearby save station. Use the Call command on breakable walls. Jump into the higher bubble, then activate the switches in each accessible area to reach the next bubble.

In the next room, Examine the switch to raise the platform, then examine the large mechanism that opens the castle door. Once you activate it, return to the castle by the way you came and continue into the entrance hall (the large double doors near the far end of the area).

	Riku Riku
	HP: 500      EXP: 2000      DIFFICULTY: Riku attacks with quick sword swings. These can be avoided with Dodge Roll or deflected with Guard; pair the Guard ability with a high-deflection keychain to remain close to Riku and strike him with a combo after his attack. Cast Aero magic on Sora to boost his defense and cut damage taken in half. Riku is usually open to be staggered after his downward sword swing and at the end of his high jump. He will often counterattack with a horizontal spin attack after taking a few hits while staggered. If you find your HP is lower than 50%, move away from Riku before trying to Cure or use an item. REWARD:  Sora can now perform White Trinities

Return the Library Books

Enter through the doors above the left staircase to reach the library. Books are scattered all around the library; you will find some on the floor and others on the wrong shelf. Return the books to their corresponding collections to reach the upper balcony of the entrance hall.

Instructions	Screenshot
Pick up Khama Vol. 8 on the ground in the corner.
Place Khama Vol. 8 in the bookcase opposite where the book was.
Pick up Mava Vol. 6 from the last shelf on the second floor.
Activate the Green Trinity on the second floor to pick up Azal Vol. 3.
Pick up Theon Vol. 6 from the table on the second floor.
Place Azal Vol. 3 on the shelf in the middle of the first floor.
Take Salegg Vol. 6 from the shelf of green volumes on the first floor.
Examine the empty space on the right side of the same shelf to place Mava Vol. 6.
Place Salegg Vol. 6 in the shelf directly opposite from the previous shelf.
Pick up Nahara Vol. 5 from the shelf in the middle of the first floor.
Place Nahara Vol. 5 on the third shelf along the wall of the second floor.
Pick up Mava Vol. 3 from newly accessible shelf in front of you.
Place Mava Vol. 3 in the remaining empty space on the shelf in the corner of the first floor.
Pick up Hafet Vol. 4 from the small desk in front of you.
Place Hafet Vol. 4 on the receded shelf along the wall of the second floor.
Place Theon Vol. 6 on the last shelf along the wall of the second floor.
Push the exposed button on the wall to unlock the door leading to the entrance hall balcony.

Gather the Emblem Pieces

Now you must find the four Emblem Pieces hidden behind puzzles scattered around the second floor of the entrance hall:

Instructions	Screenshot
Break the pots next to the statue near the doors to the library. The emblem piece will drop from the fountain below.
Light the candles along the walls using fire magic. The flame in the center of the area will go out, revealing an emblem piece.
Perform the Red Trinity on the statue on the sound end of the hall. The statue will fall and shatter, revealing an emblem piece.
Push the statue on the wall opposite from library doors. A chest will appear on a platform below, containing the last piece.
Cast Thunder magic on the obelisk marked with a lightning symbol to allow the platforms to move.

Ascend to the Castle Chapel

Save your progress in the library and Examine the door at the back of the entrance hall to insert the four emblem pieces and unseal the way. Make your way through the upper levels of the castle until you reach the Castle Chapel. When you reach the Castle Chapel, equip curative items and set Gravity magic to your shortcut menu, then walk to the back of the area.

	Maleficent Maleficent
	HP: 900      EXP: 6000      DIFFICULTY: Maleficent rides on a floating platform while trying to strike you from afar; you can jump and strike this platform to reduce its HP, but casting Gravity magic will bring it crashing down instantly. While the platform is down, lock-on to Maleficent and strike with ground or air combos. If she tries to swipe you with her scepter at this time, jump to avoid it or use Guard to deflect it. If you hear Maleficent cry "Meteors of Heaven, unleash thy fury," run to either side of the chapel to avoid the large meteors. If you see purple thunder gathering above Maleficent, stay on the move or Dodge Roll to avoid the bolts. Maleficent may summon two Darkballs or Defenders to come to her aid on the platform; you can cut their HP quickly with a cast of Gravity magic, or lock-on to them and send your party members to attack them. Keep an eye on your HP while close to Maleficent and move away to heal as needed. REWARD:  Donald learns the ability Cheer,  Ansem Report 5

When you are ready to proceed, equip curative items as needed, save your progress at the nearby save station, and enter through the dark portal at the back of the chapel.

	Maleficent Dragon Maleficent Dragon
	HP: 1200      EXP: 6000      DIFFICULTY: Summoning Tinkerbell near the beginning of the fight is strongly recommended; she will provide Regen to the party and a one-time save from KO. Cast Aero magic to boost your defense. Maleficent Dragon has strong attacks that can be sent in many directions. Target her head and strike with air combos in between her attacks. Keep your distance when she swipes with her claw or begins her bite attack. Her 360-degree spin can be avoided by running to the outer edge of the arena or with a well-timed Dodge Roll and jump. When she begins to spew flames, try to jump and glide to the opposite side of the arena. Most damage can be dealt with air combos while she is turning to face you, but try to time your jumps to avoid damage from the shockwaves she makes with each step. Be very careful not to get caught in the flames, as they can deplete your HP quickly. Check out the tutorial video for additional strategies and tips. REWARD:  Fireglow

Proceed to the Grand Hall

After defeating Maleficent, a new passage will appear in the chapel; save your progress and travel through this new passage into the grand hall (be careful not to fall off of the upper level as you move across!). Equip restorative items and proceed up the stairs on the far end.

	Ansem Riku Ansem Riku
	HP: 900      EXP: 8500      DIFFICULTY: This is a solo battle, so summons are not an option for this fight. Cast Aero magic to boost your defense, and be sure to have curative items on hand. The best opportunity to strike is during his side-step and after his next downward sword swing. You can Guard against this sword swing and follow up with a ground combo (this is more effective when you equip a high-deflection keychain and the Counterattack ability). Ansem-Riku will retaliate after taking four hits while staggered; this retaliation can be his forward slide attack or horizontal spin attack. If Ansem-Riku stands still and holds up his blade, you can use that time to heal up without risk of attack; striking his blade at this moment will cause him to counterattack immediately. Move to either side to avoid his forward slide attack. When most of the orange HP bar is depleted, Ansem-Riku will start to throw glowing blades; these can be deflected with Guard, or you can dodge roll away from them. His downward swing attack now sends out fissures on both sides, so try to be behind him when he uses that attack. When one HP bar remains, Ansem-Riku will begin to use his most powerful attack; when he rises into the air and glows, jump and glide in a wide circle around the arena to avoid damage from his super-fast strikes and the ground tremors that follow. REWARD:  Sora learns the ability Ragnarok

Descend to the Entrance Hall

When you regain control as a Heartless, travel through the castle and return to entrance hall where you first fought Riku. You can jump off the side of the castle to reach the first levels of the castle more quickly.

If you fall to the base of the castle near the waterway, you can approach the glowing device to have the platform take you back up to the Castle Gates area. When you reach the entrance hall, approach Kairi to progress the story. You will automatically be transported to Traverse Town.

Climb the Rising Falls once again to reach the Castle Gate. Enter through the Entrance Hall and into the Library, located through the doors on the left wall. Ascend the stairs to find Belle. Speak with Belle after her reunion with Beast to receive the Divine Rose keychain.

Equip curative items and save your progress at the nearby save station, then make your way back up to the chapel (where Maleficent was first encountered). When you arrive in the chapel, Talk to each of the Princesses and continue through the passage on the right to the Grand Hall.

When you reach the large heart-shaped portal, climb up the perimeter of the area to reach the chest on the high ledge containing the Oblivion keychain. Enter through the large heart-portal to reach the Dark Depths and encounter the protector of the Keyhole.

	Behemoth Behemoth
	HP: 1050      EXP: 7000      DIFFICULTY: When the fight begins, immediately run to the side to avoid the its first pounce attack. The Behemoth is only vulnerable to damage at the horn on top of its head. Lock-on and cast Gravity magic to cut a decent amount of HP (this is more effective when equipped with an MP-boosting keychain and accessories). You can jump onto its back by using its back legs as platforms. Lock-on to its horn and attack relentlessly. When it forms a large orange orb above its head, jump down and stand under its belly; this will prevent damage from the small spheres that are sent down. After taking enough hits, Behemoth will stagger and fall for a few seconds; use this opportunity to attack with air combos relentlessly. When its horn lights up again, run towards the edge of the area to avoid damage from the large pillars of lightning. REWARD:  Omega Arts, Sora learns the magic spell Firaga

After speaking with Leon and the Traverse Town group, Sora will return to the Dark Depths and seal the final Keyhole. The Princesses of Heart grant Firaga magic to Sora. You are free to use the save station in the Castle Chapel to exit to the gummi ship at this time.

Ansem's Reports & Curaga from Aerith

After clearing this story episode in Hollow Bastion, return to the Library and Talk to Aerith three times. She will give Sora four pieces of Ansem's Reports and the magic spell Curaga. When you are ready to continue the story, return to the gummi ship through a save station and travel to the new world below Hollow Bastion.