Heaven's Door

Turn limit: 30

• ●: Player starting point
• □: Path
• ■: Wall
• 机: A table littered with strange looking medicines and advanced medical books (if a healer moves here, everyone's HP and MP will be fully restored once) (will appear as □)
• ◎: Boss
• 宝: Treasure chest

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The small-fry enemies are all dangerous if allowed to act. Kamikazee, Kamikazee, Kamikazee.
It's important to defeat them before they can act.

That said, if multiple enemies appear simultaneously, instant kills will be difficult. This is where WarCry and OneLiner, which inflict area-of-effect Paralysis, come in handy.
Using these allows you to attack safely without letting enemies act. There's a bit of luck involved however.
For those who don't care about their HP when facing bosses, reviving with Reversal and AutoLife guarantees 100% survival.

Now, as you can see from the map, you'll face 6 bosses in this dungeon. Let's describe the kinds of enemies you'll encounter.

The Behemoth from faerie_forest. If you struggled against this guy, you might not even be able to reach Behemoth, nevermind progress further.
Try to conserve your MP as much as possible.

The four Slimes and KingSlime from slime_land. They're not particularly strong enemies, but SlimeB can inflict Poison and drain your MP with Osmose, making them troublesom.
Quickly eliminate the minions and leave the KingSlime for last.

The Dragonlord and BlueStone from dragonsdale.
BlueStone is a dangerous one who can use Roulette and Oomph, so destroy it quickly.

The treasure chests from Unexplored Illusion. No time for conserving resources now.
Deal with them quickly. Finish them off before the instant-kill you.
They're quick, so attacking with area-of-effect magic is a good idea.

The most difficult part of this dungeon. The OneWingedAngel, master of Zenithia.
For a detailed explanation, please refer to the Zenithia guide, but basically: everyone's firepower is extremely high, so healing is essential.
You can suddenly find yourself in a pinch with attacks like HeartlessAngel and BubbleBomb, so coordinate your actions with your party.
It's best to defeat the BlackStone or OneWingedAngel first, leaving the SilverStone for last (they are less susceptible to abnormal statuses and their firepower is higher than OneWingAngel's).
After that, leave it to fate and do your best.

Lucifer spawns in a Super Hi-tension state, so if you don't deal with it, someone will die from Ultima or JetBlackFlame. You can reduce their tension with CoolJoke or Seal, or even use MagicReflect to your advantage.
Next, FlameOfDeathA's instant-kill attack is a concern. This dangerous enemy frequently uses instant-kill attacks. Most attacks can be blocked with NullMagic, but…
FlameOfDeathB seems to rely on firepower. Watch out for LightningStorm and RayOfDespair. Both can be blocked with NullMagic.

The basic moves are the same as original OneWingedAngel. However, this time the minions now primarily use magic, making it easier to counter.
If non-attacking players equip MagicReflect and attacking players equip MagicResist or NullMagic, most attacks should be blocked.
If you defeat FlameOfDeathA first—who frequently uses instant-kill attacks and breath attacks—it should be a breeze. After that, deal with Lucifer and then FlameOfDeathB in that order. Easy, right?
However, everyone's Agility is clearly high, so those who rely on physical attacks as their main weapon should be careful.

The same is in:

• field_of_death
• dark_world
• Mirror World
• Madame Garden
• Unexplored Illusion
• Night Light
• Sealed Land
• Zenithia
• Chaos Field

There are many rare items, but also many rather dull ones. This is mainly due to Madame Garden and Unexplored Illusion.