Fierce Battle Arena Guide in Kaiju No. 8: The Game (K8 THE Game). This covers strategies and rewards, including tips for each stage and the rewards earned for clearing.
Table of Contents
What is the Fierce Battle Arena?
High-Difficulty Content with a Round Limit
| Unlock Conditions |
|---|
| Reach Special Ops Rank 2 |
The Fierce Battle Arena in Kaiju No. 8 The Game is high-difficulty content with restrictions like a limited number of rounds. Each stage has three objectives, and players advance through the battle to fulfill all objectives.
Earn Big Rewards Like Dimensional Crystals
Fierce Battle Arena is high-difficulty content, but the rewards are substantial. You can earn up to 3,000 Dimensional Crystals and Proof of Valor, which can be exchanged for 5-star weapons.
Tips for Clearing Fierce Battle Arena
Reinforce 8 Characters
In the later stages of Fierce Battle Arena, you will need two full parties. Conditions, such as the number of turns and clearing without any incapacitated character, apply to both squads combined, so it's essential to properly reinforce all eight characters to succeed.
Bring One Defender Character in Each Squad
Since both parties must clear with zero incapacitated characters, ensure each squad includes a durable unit when attempting the stage.
| Best Defender Characters | Brief Evaluation |
| Isao Shinomiya | - The only permanent 5★ Defender - Protects allies with Shield - Also possesses a Damage Buff for all allies |
| Akari Minase | - A valuable character who can provide Recovery for allies - Increases Recovery power for allies with low HP - Can also grant an Ultimate Gauge Charge Rate up |
| Kota Tachibana | - Easily targeted by enemies, protecting allies - Hinders enemies with ATK debuff and Freeze - High Survivability from Self-Generated Shield |
Build Squad to Core Exposed
In high-difficulty stages, delaying enemy actions with Resistance Break and increasing the damage enemies take are essential. Check enemy resistances and organize your characters to achieve Core Exposed.
Don't Rush Permanent Stages
Permanent stages are extremely challenging, with enemies of level 50 or higher appearing in the later sections. You can attempt them at any time, so it's fine to steadily raise your Player Rank and Special Ops Rank to properly reinforce your characters before taking them on.
Fierce Battle Arena Rewards
Permanent Stage Rewards
Star Acquisition Rewards
| Conditions | Rewards |
| Earn Rewards for Every 3★ (Max 45★) |  Dimensional Crystal x200 Defense Medal x20 |
Clear Rewards
| Cleared Stage | Rewards |
| 1-5 |  Proof of Valor x10 Credits x20,000 |
| 6-15 | Proof of Valor x20Credits x20,000 |
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