Warframe : Deplete Umbra's shield / Easy mod

you can to deplete Umbra's shield without fight in mission

1. u have to die
2. use child's dmg.
3. u would be at near by Umbra, stay at same place, dont leave your position !!!!
4. stun him

U can see at 12:00 if u try to fight against him u will be dead

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