Battle arena, mini game dalam RPG classic Legend of Legaia yang hadir di console Sony PlayStation. Dalam battle arena Muscle Paradise terdapat tiga tingkat kesulitan, yakni Beginner, Expert, dan Master Course.
Beginner Course
Rules:
No equipment allowed
No items allowed
Magic is allowed
Accessories are allowed
Prize: 818 coins
- Round 1, Red Piura
- Round 2, Skeleton
- Round 3, Drake Ghost
- Round 4, Caruban
- Round 5, Gola Gola
- Round 6, Zeto
- Round 7, Viguro Lv.2
- Round 8, Xain
Expert Course
Rules:
- No equipment allowed
- No items allowed
- Magic is allowed
- Accessories are allowed
- Round 1, Black Piura
- Round 2, High Gomboo
- Round 3, Dark Ogre
- Round 4, Gold Bison
- Round 5, Ironman
- Round 6, Caruban
- Round 7, Aluru
- Round 8, Xain
Master Course
Rules:
- No equipment allowed
- No items allowed
- No magic allowed
- Accessories are allowed
- Round 1, Ironman
- Round 2, Viguro Lv.2
- Round 3, Gold Bison
- Round 4, Caruban
- Round 5, Zeto
- Round 6, Berserker
- Round 7, Xain
- Round 8, Dohati
- Round 9, Lu Delilas
- Round 10, Che Delilas
- Round 11, Gi Delilas
- Round 12, Zora
- Round 13, Jette
Ada bonus rahasia yang dapat diperoleh dengan memenangkan Master Course, yakni War God Icon. Untuk mendapatkan War God Icon, selesaikan Master Course setelah mengalahkan Jette di Absolute Fortress.
War God Icon merupakan accessory yang sangat berguna, dimana penggunanya akan melakukan serangan yang sama (Arts) sebanyak dua kali pada satu musuh yang sama, namun dengan AP normal.
Muscle Dome Rewards
- Earth Egg, 100000 coins
- Evil God Icon, 10000 coins
- Lost Grail, 8000 coins
- Life Armband, 5000 coins
- Deluxe Rod, 2500 coins
- Vitality Ring, 1000 coins
- Magic Ring, 500 coins
- Healing Berry, 250 coins
- Incense, 200 coins
- Fury Boost, 150 coins
- Soru Bread, 100 coins
- Gold Card, 50 coins