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Lost Odyssey Enemy Boss
Obsidian Miasma
Obsidian-tentacles 02
HP Element Type SP Gold
930 None Magic 0 0
Dropped Stolen Location
None None Sorcerer's Shrine
Susceptible To:
Immune to All Status Effects
Weak Against:
Magic Killer Rings
Abilities
Obsidian Sigh hits one row for high damage
Shadow Hits entire party for high damage
Chime wakes up Mack
Fear Inflicts Terror on one party member

Boss Strategy

Boss 3


Obsidian-tentacles 03

Freeing Cooke is your 1st Priority

The first thing to be aware of in this fight, is that Cooke is being held by Tentacle C in this fight. Now each of the Tentacles have the ability Soul Drain which will take between 20 and 30 HP. They also have the ability Energy Drain which will take between 40 and 50 HP as well as some MP. If she dies, it's an automatic game over. Because of that, you should start by having every single one of your attacks being used on Tentacle C. Have Jansen casting Flare, while Seth and Kaim attack. Once Cooke is freed, she'll be added to your back row, making the fight a little easier.


Because the Tentacles have such good defense Kaim and Seth won't be of much use; just keep them around to use Zephyr each turn, or to use a Healing Herb if you need to heal really quickly. It will take two Flares one from Cooke, and one from Jansen to take down a Tentacle, so that's one each turn. In this time you'll be taking some painful attacks. The tentacles can damage an entire row with Black Whip, and the main body of the monster, which you can't target yet, can do the same with Obsidian Sigh. He also has Powera at his disposal, so that he can make his attacks stronger. If your party's HP gets below 300 or so there could be a problem, so try not to let that happen.


Obsidian-tentacles 04

Keep Mack asleep so he's out of the way

Once all of the Tentacles are down, you'll have Mack released as a puppet to the Obsidian beast. Cast Sleep on him, and he'll be out of the way. If you kill him, that's a game over. When Mack is asleep you'll be able to attack the Obsidian Miasma. Like the tentacles he has high physical defense, so you'll want to use magic. His attacks can be harmful, so you'll want to use your magic as quickly as possible, while doing your best to keep your mage's alive. You'll also have to keep a close eye on Mack before you choose the actions on your turn. If he wakes up you'll have to cast Sleep on him again. When you finally deplete the HP of the Obsidian Miasma the battle will end. If you find that you are taking too much damage in the fight,consider tossing an All-Barrier once Cooke is freed.


Note: Mack may immediately wake back up after being put to sleep. If that happens, just keep putting him to sleep until he stays asleep. Make sure he is asleep before attacking.

Information from German Dragon's FAQ/Walkthrough


Alternate StrategiesEdit

Attack Tentacle C with Kaim and Seth and use Jansen's Flare on it until Cooke is released. Have Cookie use her Casting Support ability on Jansen and then have Jansen cast Prism. Kaim and Seth can perform healing duties or attack the tentacles that take the least amount of damage. 2 Prism attacks should take out all 3 tentacles, if not a couple quick attacks will be all that is needed to finish them off.

Use Jansen to cast sleep on Mack for the first turn. Defend/zephyr with other party members if needed, but do NOT attack Mack. Keep your members healed and sleep Mack if he happens to wake up, cast sleep once more. Finish off the main body at your discretion.

Once defeated, the Errand: Elevators in the Crimson Forest becomes available.

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