Grandmaster 90: For Marquess Ostia! Guide

This is a walkthrough for the Tactics Drill For Marquess Ostia! (Grandmaster 90), for Fire Emblem Heroes (FEH). For a step-by-step solution on how to beat this map, please read on.

Grandmaster 90: For Marquess Ostia!

Win Conditions	Clear within 7 Phases
Reward for First Clear	Orb × 1

Party Members

Legendary Hector	Matthew	Serra	Leila

Solution

Turn 1
1. Move Leila 2 spaces up and attack the Red Fafnir.
2. Move Serra 2 spaces left and finish off the Fafnir.
3. Move Matthew 2 spaces up and attack the Axe Dragon.
4. Move Hector 1 space down and finish off the Axe Dragon.
Turn 2
5. Move Leila to Matthew's right and use Rally Atk/Spd+ on him.
6. Move Matthew 2 spaces right and attack the Sword Dragon.
7. Move Serra 1 space right and finish off the Sword Dragon.
8. Move Hector 1 space down and take out the Axe Knight.
Turn 3
9. Move Serra 1 space left and use Recover+ on Matthew.
10. Move Matthew 2 spaces left and use Reciprocal Aid on Leila.
11. Move Hector 1 space left and take out the Lance Dragon.
12. Move Leila below Matthew and take out the Red Flier.
Turn 4
13. Keep Leila in place and use Rally Atk/Spd+ on Matthew.
14. Move Serra to Matthew's right and use Recover+ on him.
15. Move Matthew 2 spaces right and take out the Sword Knight.
16. Move Hector 1 space right and take out the last foe.

Video Guide

Video guide coming soon! Please stay tuned.

Tactics Drills Related Links

All Tactics Drills (Grandmaster)

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