Part 22

Head to Sinister's Lab via the teleporter.

Battle enemies in the main room.

Collect the Comic Book (A4CB15) next to the fans on the upper platform.

Exit the donut room via the east or west path.

On the west side, find XP or a Homing Beacon.

On the east side, find Weapon Cache (A4WC32) and Danger Room Disc (DRC400).

Proceed to the Xtraction Point room, activate the door, and SAVE.

Head through the northern door into the Lab.

After a cutscene (a non-interactive cinematic the game plays automatically), fight tough enemies.

Open Weapon Cache (A4WC33) past the teleporter.

Return to save again.

Use the teleporter to go to Tower Apex.

Damage Archangel until he teleports away, instructing you to leave teleporter arms alone.

Destroy the teleporter arms.

Archangel will perch on one of five pedestals; stay on the far side of his perch to avoid the teleporter beam, which will eventually tag him.

Repeat this process for all five pedestals until Archangel's invulnerability wears off.

Defeat Archangel.

Collect any stray items, Potions, and Techbits.

Head to the teleporter in the center of the area.

Follow Apocalypse to the Teleport Chamber in Egypt.

In the Secret Bonus Area, defeat enemies to reach Ironman's Jet Boots.

Head back to the Mansion.

In the Teleport Chamber (Act 5), chat with Prof. X and use the Mission Computer.

Continue to Ra's Mouth.

In Ra's Mouth, head west for a cutscene and fight Scarabs.

Continue west, using a flier to reach side areas. The west side area contains Data Disc (A5DD1).