Mini Cryptic Crossword

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Across
  1. 2. This key won't open any doors, which I hear is quite sad.
  2. 3. Those achieving an athletic pinnacle earn this divine moniker.
  3. 4. It isn't right to depart suddenly.
  4. 5. This terror of insects really earns its mythical name.
  5. 6. The goal, deceptions aside, of ancient alchemists.
Down
  1. 1. Being in a tough situation may leave a sour taste in your mouth.
  2. 3. Stop, commands this red figure.
  3. 4. For difficult tasks, taking one step at a time can let you reach new heights.