A location designed as a weapon that is also a storyline revelation? Uhh... I'm going to take a complete shot in the dark and guess the Sorceress Memorial / Sealing Facility, even though it's more of a trap than a weapon.
Face
ส็็็็็็็็็็็็็็็็็็็็็็็็็༼ ຈل͜ຈ༽ส้้้้้้้้้้้้้้้้้้้้้้้
Here we go.
Generating power,
I make myself durable.
Hit me and get hurt,
or gain yourself a benefit.
I'm going to guess Degernation Power (or what it is called, Quistis learns it from Black Matter....)
神話―月
Shinwa-Tsuki
Myth-Moon
Need a name for your character, ability, item, or location. I might be able to help, see this entry for more information .
Actually you can beat the spider. And it is not the right answer.
Diablos? He will cure you if you hit him with magic (I think) or harm you from physical attacks. His main attack deals with Demi or Gravity, thus generating power. Not sure about how he is durable.....
神話―月
Shinwa-Tsuki
Myth-Moon
Need a name for your character, ability, item, or location. I might be able to help, see this entry for more information .
Nah.
One more guess and I'll give you a hint.
The fight against Raijin and Fuujin in Balamb Town?
神話―月
Shinwa-Tsuki
Myth-Moon
Need a name for your character, ability, item, or location. I might be able to help, see this entry for more information .
The Blitz enemy? Charges itself up with thunder magic, and if you attack while it's charged you receive thunder damage. The boon could be if you absorb thunder damage, or the Power Generator that can be mugged from him.