if you mean in the sootopolis city gym then start from the stairs and go up, right, right, up, right, right, down, right, up, up, up, left, left, down, left, up, left, down, down, left, left, down, left, up, left, down,left, up, left, up ,up, right, down, right, up, right, down, right, up, right, and up the stairs to the gym leader.
1st ice floor from stairs up,over,up,over,over,up,over 2nd ice floor from stairs up, over, over, over, up, up, over, over, down, over, over, over, down, over, up, up, over, over, over 3rd ice floor from stairs up, right, right, up, right, right, down, right, up, up, up, left, left, down, left, up, left, down, down, left, left, down, left, up, left, down, left, up, left, up, up, right, down, right, up, right, down, right, up, right good luck beating Wallace
This room is like the polished floor in the trick house, you have to figure the pattern/path on the ice, that's how.
Regice will appear in the Island Cave on the bottom floor after you solve the Sealed Chamber Mystery.
Step on each ice floor then stairs will appear do the same thing on the next one until you get to the leader.
Ice Beam
You figure it out
You can only get regi ice in sapphire,ruby,and emerald.
ice cubes floor ice cubes floor
On 6th Floor
migrate it from ruby, sapphire, or emerald
Never-Melt Ice can be found in Shoal Cave at the lowest level of the cave. (There will be ice in the area.)
You may not believe me, but there is an Ice Heal in the Hot Spring waters. He's right