Not bad guesses, but you're not really getting the intended meaning. Let's see if the third hint helps.


The victor thrice, approacheth hence,
The door hath been blocked without sense.
Façade awaits you, keyholder,
Beware thy future batt’ling err;
Seek wisdom now, or fate is doom.
Light sheds as growth avoids its bloom.


Incorrect Guesses (15):
1. Haunter
2. Gengar
3. Metagross
4. Sandshrew
5. Sandslash
6. Scyther
7. Groudon
8. Eevee
9. Vaporeon
10. Jirachi
11. Celebi
12. Ho-oh
13. Voltorb
14. Electrode
15. Suicune


Hints (3):
1. The first line refers to timing in one of the Pokemon games.
2. None of the lines refers to any specific move.
3. The last line is a reference to a Pokedex entry.