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Walkthrough

15F: Abnormal Cavern

To fully explore 15F, it's necessary to defeat all the sigil guardians on both 14F and 15F. The two from 14F unlock side areas (one of which leads to treasure, the other leads to the location where Flandre can be fought if the requirements are met). Defeating the Hill Gigas unlocks the transporter to the 16th floor and the location of Great Stamp. Defeating the Great Stamp is optional but unlocks several sealed-off treasure rooms on both 15F and 16F.

Notable Enemies

Blackenmels have an absoulutely ridiculous level of MND and DEF. The best way to defeat them is with Dark Side of the Moon from Rumia, but Knock Out in 3 Steps or either of Patchouli's 52 SP spells will work too.

Map

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Bosses

Hill Gigas

HP Level Recommendation EXP Skill Points Drop
360,000 55-60 12,600 5,680 ?
Thankfully, the Hill Gigas isn't a particularly intimidating boss. As the name suggests, all of its attacks are physical, but none are so strong that you should have to worry too much, though keeping tougher characters in the first slots is recommended. It's also highly vulnerable to paralysis and stat debuffs, so choose your party accordingly. The only real difficulty is the trek to reaching it.

Great Stamp

HP Level Recommendation EXP Skill Points Drop
480,000 60-70 24,400 12,800 Egg of Life
Contrary to the Hill Gigas, the Great Stamp is quite dangerous and best left alone until you're higher level. Its physical attacks are enormously powerful, and Rasetsu Fist ignores defense, usually dealing 6000 damage and paralysis if the target somehow survives. Huge Tremor Strike does a large amount of physical NTR damage to the entire party but is usually survivable with some preparation. If Great Stamp is affected by a -SPD debuff, it'll use a boosted version of Huge Tremor Strike called Huge Earthquake, which is two to three times as powerful. Needless to say, speed debuffs should be avoided at all costs. Other types of debuffs and paralysis can work, though it seems to have higher paralysis resistance than most bosses so far.

Flandre

HP Level Recommendation EXP Skill Points Drop
480,000 75-80 32,000 30,000 Sunglasses
As one would expect from a character whose ability is to "destroy anything", Flandre hits quite hard. FIR and to a lesser extent MYS resistances are useful, and the same elements will do little to Flandre (so bringing Marisa is a bad idea). On the other hand, she's very weak to CLD and NTR and is somewhat vulnerable to paralysis and debuffs. When she's low on health she tends to use Laveatein repeatedly, which does huge composite FIR damage to the entire party. Tenshi is almost required for this fight; no other character will be able to consistently come out of Flandre's attacks alive.
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