The Battle Frontier is an area unique to Pokémon Emerald and is accessible only after beating the Elite Four. Owned by the character Scott, it has numerous battle faciliies, as well as a number of buildingswith various characters within. It also has a variety of places to explore including access to a cave and various wild Pokémon

Battle Tower
The returning Battle facility is the Battle Tower which has you face trainers in standard battles of both Single, Double and Multi varieties. If you succeed in a streak of 21 or 49 trainers, you will face the leader; Anabel

Battle Pike
The Battle Pike is a facility which has you go through various rooms in order to proceed. Each room can have a variety of things including wild Pokémon, trainers or be healed. Reach 28 or 140 conescutive rooms and you will be able to battle the Pike Queen, Lucy

Battle Dome
The Battle Dome runs a 16 player tournement where you have to go through and defeat each trainer to progress. Once you have beaten the tournament 5 and 10 consecutive times, you will challenge the Dome Superstar, Tucker

Battle Factory
The next Battle facility is the Battle Factory which has you use rental Pokémon against a variety of trainers also using the rental Pokémon. If you succeed in a streak of 21 or 49 trainers, you will face the leader; Noland

Battle Arena
The Battle Arena is a facility which has you have three turns against each Pokémon a trainer has. After the turns, you will get rated based on your Pokémon's strength, damage inflicted and health remaining. The Pokémon with the most points wins. Once you reach 27 or 56 straight battles, the Arena Captain, Greta, will challenge you.

Battle Palace
The Battle Palace has you relinquish control of your Pokémon. Instead, they will use moves based upon their nature. After 21 or 42 consecutive wins, you will challenge the Palace Maven, Spenser.

Battle Pyramid
The final facility is the Battle Pyramid. In this area, you have to go through various floors which are filled with trainers and wild Pokémon. You get no items to use at first but can find items dotted around the area. As you defeat more opponents, you get to see more of the area. Once you have reached 21 floors or 70 floors without failing, you can challenge the Pyramid King, Brandon.

Move Tutors
In the houses next to the Battle Dome, there are a variety of trainers who will each your Pokémon a variety of moves. These moves cost Battle Points, earned at the facilities, but can be taught numerous times.

Name	Type	Cat.	PP	Att.	Acc.	Effect	Price
Defense Curl			40	--	--	The user curls up to conceal weak spots and raise its Defense stat.	24B.P.
Snore			15	40	100	An attack that can be used only if the user is asleep. The harsh noise may also make the target flinch.	24B.P.
Mud-slap			10	20	100	The user hurls mud in the target's face to inflict damage and lower its accuracy.	24B.P.
Swift			20	60	--	Star-shaped rays are shot at the opposing team. This attack never misses.	24B.P.
Icy Wind			15	55	95	The user attacks with a gust of chilled air. It also reduces the targets' Speed stat.	24B.P.
Endure			10	--	--	The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.	48B.P.
Psych Up			10	--	--	The user hypnotizes itself into copying any stat change made by the target.	48B.P.
Ice Punch			15	75	100	The target is punched with an icy fist. It may also leave the target frozen.	48B.P.
Thunderpunch			15	75	100	The target is punched with an electrified fist. It may also leave the target with paralysis.	48B.P.
Fire Punch			15	75	100	The target is punched with a fiery fist. It may also leave the target with a burn.	48B.P.
Softboiled			10	--	--	The user restores its own HP by up to half of its maximum HP. May also be used in the field to heal HP.	16B.P.
Seismic Toss			20	--	100	The target is thrown using the power of gravity. It inflicts damage equal to the user's level.	24B.P.
Dream Eater			15	100	100	The user eats the dreams of a sleeping target. It absorbs half the damage caused to heal the user's HP.	24B.P.
Mega Punch			20	80	85	The target is slugged by a punch thrown with muscle-packed power.	24B.P.
Mega Kick			5	120	75	The target is attacked by a kick launched with muscle-packed power.	24B.P.
Body Slam			15	85	100	The user drops onto the target with its full body weight. It may also leave the target with paralysis.	48B.P.
Rock Slide			10	75	90	Large boulders are hurled at the opposing team to inflict damage. It may also make the targets flinch.	48B.P.
Counter			20	--	100	A retaliation move that counters any physical attack, inflicting double the damage taken.	48B.P.
Thunder Wave			20	--	100	A weak electric charge is launched at the target. It causes paralysis if it hits.	48B.P.
Swords Dance			30	--	--	A frenetic dance to uplift the fighting spirit. It sharply raises the user's Attack stat.	48B.P.

Special Moves used in Battle Frontier:
Surf
Waterfall