Bon je sais pas si tu comprend l´anglais neanmoins voici un guide tire de Gamefaqs
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Temple of Darkness
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Lloyd uses the Blue Candle. Now you can see! The place seems unstable.
Hmm... For this dungeon, use Lloyd, Genis, Zelos and Sheena. There will be
a chest hidden before the bridge. It has an EX Gem Lv2. Then cross the
bridge and enter the temple itself. The path to the left is blocked off,
so go left. You will find some dark entity there. It is a piece of Shadow!
There are 4 others. You will have to take them to the altar with you in
order to challenge Shadow! The main problem is the lights. You must turn
them all somehow so Shadow can pass through.
Go thorugh the door to the right, and down the stairs. Go down the stairs
and examine the hole on the way. Lloyd will go alone, and I guess that
the his soul mate will act concerned. In this case, it´s still Colette!
Inside, you will find an altar. Chagne the function of the Sorcerer´s Ring.
Now it blows out darkness, which is enough to turn off the lights! You
can also use it to make those coloured pillars grabbable. So, grab the
red pillar in front of you and another that used to block your way will
be unblocked. Go back there and lead this piece of Shadow with you, turning
the lights off that block your way. As you come to the red horizontal pillar
that just went out of the way, your character will look curious. So, push
the pillar all the way in. Now, go left.
You will find another piece of Shadow in front of a green pillar and a
grey pillar. First, push the grey pillar in, and another grey pillar will
come out and push another piece of Shadow down below. Also note that the
Red Pillars will reset their positions. Now you know, that only one pair
of pillars can be manipulated at a time. So, pull the Green Pillar out,
and another Green Pillar to the northeast will retract, allowing you to
go down. Go down the slope, taking care not to trap the pieces of Shadow
in the pillars. If you mess up, you will have to reset the whole puzzle
by going through the door on the bottom of this room, walking up the stairs,
going through the hole to the red pillar and do everything again. There
is a Headband in the middle of the stairs. There is an EX Gem Lv3 in the
right hand corner. See the blue pillar above? You should make it stick
out so you can use it as a bridge. A skit will be " Another Side of Lloyd",m
where Lloyd complains about the darkness, and is complimented by Raine
for being observant.
Go down the slope, turning the lights off. Ignore the blue pillar to the
right first. If you defeat the skull´s enemies by the light, you will find
a Memory Gem. Walk across the top of the blue pillar. And you will find
another piece of Shadow on a block. Push the block to the corner to the
northeast, and then you can go and pick him up. Take them down to that
open area by the Memory Circle. Leave them there. This is their assembly
point. Go down the slope and go through the " reset" doorway, and the 3
pieces will still be there. Get back in, and go up and push the blue pillar
in. Go through the " reset" doorway, and climb the stairs to the top. You
can now reach the 4th piece of Shadow, and a chest. Inside is a Shadow
Dancer. It increases Genis´ Attack by 60 over the Shining Star. His
Intelligence will also be increased by 1.
Lead the Shadow across the bridge and a scene will indicate that it will
stay there for the time being. Go down the " reset" stairway and into the
hole so as to pull the red pillar out. Now, get back to the Shadow piece
and lead him past the red pillar that is now withdrawn. Lead this down
to the Assembly Point as well. Go back to the red pillar beneath the final
piece of Shadow and pull it out. Then go back to the top of the room and
push the red pillar there all the way in. Go back down the " reset" stairs
and then go back to the bottom of the room and make your way up. Cross
the protruding blue pillar, and walk along the narrow pathway to the final
piece of Shadow! Take him to the assembly point.
Now, all aboard, kids! Let´s take them down the path to the north of the
assembly point. Don´t lose any of the pieces! You will reach your first
4 way junction. The southbound path leads to an EX Gem Lv2. The eastbound
path leads to an EX Gem Lv4. The final one goes down.
You will get to a locked Memory Circle. Unlock it and save. The path to
the northwest leads to the altar.
je suis au temple de l´obscurité la pis jsuis a peine rentrer dans le temple que chui deja bloké jai rencontrer une petite chose noir avec un point violet a lintérieur mais je ne sais pas ou il faut aller apré aidez moi 
