Overcoming Umbridge
When you try to overtake Umbridge during Mrs.Cattermole's trial, get up very close before you cast a spell. Cast Impedimentum, and stay close to a wall, so that you can hide. If you die, immediately put on the Invisibility cloak, because Umbridge WILL see you.
More tricks, tips and cheats for this game are right here - Harry Potter and the Deathly Hallows - Part 1 cheats
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