S2 Hard : Astei & Sterope - Adventure Boss Guides

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Adventure Boss Guides

S2 Hard : Astei & Sterope

✍️ Sevih · 🕒 26/05/2025

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This guide covers S2 Hard : Astei & Sterope in Outerplane.

If you have additional strategies or suggestions, share them on EvaMains Discord.

Astei Strategy Guide

Astei is a formidable support boss who heals allies, boosts attack, and resurrects her team upon enraging. Her companion Sterope punishes non-offensive skills by recovering the boss team's resources.

This guide also applies to stage S2 Hard 5-9

Tactical Tips

•The boss has no immunities, so bring .
•Try to avoid using characters with non-offensive skills.

Recommended Characters

Demiurge Vlada, Sterope, Eternal

For .

Monad Eva, Dianne

Can heal without using non-offensive skills.

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S2 Hard : Astei & Sterope - Adventure Boss Guides | Outerpedia