Extreme Battle Assault is one of the tougher challenge modes in Anime Story 2, and the element category runs across ten escalating stages that demand a fully built squad rather than a casual roster. Each stage hits harder than the last, so the run is less about clever tricks and more about raising your Combat Power high enough to survive the spikes.
Quick answer: Equip five high-rarity units (Mythic or Secret first), max their levels, ascend anything Legendary or above, then slot crafted relics and rerolled traits so your Combat Power can carry the later stages. Clear stages in order; each completion unlocks the next.

What you need before starting the assault
You can equip up to five units at once, so the goal is to fill every slot with your strongest options instead of spreading resources thin. Units are the core of the game, and a small number of fully upgraded characters will outperform a wide bench of half-leveled ones.
Prioritize by rarity. Mythic units are the workhorses you will rely on most, and only Secret units rank above them, though those are extremely hard to obtain. Legendary units sit just under Mythic and are worth leveling until you pull better, with names like Levan, Flamingo, Spirit Brawler, and Froza holding up well in the meantime.
| Priority | Rarity | What to do |
|---|---|---|
| 1 | Secret | Use and max if you have one; best performers in the game |
| 2 | Mythic | Level fully and build your team around these |
| 3 | Legendary | Level and ascend until a Mythic replaces them |
| 4 | Rare / Epic | Skip heavy investment; ascending these is not worth it |
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Get more Gems to pull better units
High-rarity units come from summoning, and that means Gems. You earn Gems from the story, daily and weekly quests, leveling rewards, and index rewards. Hold them rather than spending on every banner, then summon when a banner features a unit you actually want, since certain units get a higher roll chance depending on the active banner.
Active codes give a quick Gem boost before you start summoning. Redeem them inside the game using the code menu.
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How to know a stage cleared
You progress through the ten stages in sequence, and finishing one unlocks the next along with rewards that feed back into upgrading your units. The run is complete once the final stage clears and no further stage is available to enter.
Common reasons a stage will not clear
- Combat Power is too low because resources were spread across too many units instead of concentrated on your best one.
- Units have not been ascended, so they hit their level cap and cannot scale into the harder stages.
- Traits, stats, and relics were skipped, leaving your damage just short of the later thresholds.
- Time and Gems went into Rare or Epic units that are not worth the long-term investment.
If you stall on a particular stage, go back to the Lobby, push another round of levels or an ascension onto your carry, and add or upgrade a relic before retrying. The element assault rewards steady investment far more than fast attempts, so a short detour to raise Combat Power usually clears the wall that stopped you.






