Eternal Doom IV Walkthrough Part 7 (Map 27) HD

This is a walkthrough of Map 27, the last map of the Doom II megawad Eternal Doom IV, created by TeamTNT in 2008. Highlights: 0:27 Cloaked arch-vile. 1:00 Entrance hall; health bonuses. 3:04 Outside the castle. 3:56 To the dungeon. 6:58 Four jail cells; health bonuses. 7:46 Underwater maze; health bonuses. 8:16 Secret 1 of 12: underwater green armor. 12:20 Secret 2 of 12: invisibility sphere. 14:15 Secret 3 of 12: room with hole on wall. 14:33 Secret 4 of 12: underwater passage leads to secret room (armor bonuses). 17:05 Secret 5 of 12: underwater passage leads to room with soul sphere. 18:15 Large cave. 19:33 Blue skull key; cacodemons spawn. 21:21 Shootout at staircases. 26:03 Secret 6 of 12: blue armor in hidden shaft. 27:00 Heading west. 29:07 Secrets 7 to 9 of 12: underwater passage leads to secret areas. 30:24 Library: cloaked arch-viles, health bonuses, beserk pack. 32:27 Secret 10 of 12: green armor by window. 34:26 Health bonuses in pools. 35:30 Heading east; cleaning up southeast outdoor area. 39:23 Secret 11 of 12: hidden soul sphere near pool. 42:12 Gladiator arena. 44:20 Underwater passage leads to switch. 45:15 Switch lowers platforms in arena. 45:42 Fighting monsters in arena; yellow skull key. 49:14 Exiting arena, heading west (health bonuses in room). 51:17 Fighting demons in west buildings. 52:21 Revenants ambush. 53:05 Heading east; arachnotrons. 54:22 Arch-vile at gallow. 56:11 Floor switch 1 of 4 in east. 57:46 Floor switch 2 of 4 in east. 58:03 Heading west; arachnotrons. 59:19 Floor switch 3 of 4 in west. 1:00:11 West area; health bonuses by statue. 1:00:58 Floor switch 4 of 4 unlocks north entrance; mancubi spawn. 1:03:02 Entering north wing. 1:05:58 Shootout continues at north wing. 1:09:10 Health bonuses by statue; room with computer map. 1:10:58 Underwater passage leads to building. 1:12:04 Secret 12 of 12: hidden soul sphere in wall; health bonuses. 1:13:33 Two switches open gates. 1:16:08 Health bonuses in pool. 1:16:55 Health bonuses; two switches lower red skull key. 1:17:45 Picking up red skull key; fighting spider mastermind; cleaning up north wing. 1:23:00 Fighting cyberdemon in main hall. 1:24:21 Skull keys reveal exit. 1:25:37 Exit.