To find the cache, you need to decode the following;
Lightning = AB0
Comet = CD0
Venom = EF0
Viper = GH0
Arrow = JK0 (not a silver arrow)
Leader = LM0
You can find the cache at; N51 02.HLA W000 41.(J+K)DE
Checksum - the total of all 15 digits should be 38.
[Puzzle] Ze Anggrewnpxgbnq jnf n 'Gba-Hc' obl.....
[Cache] Ghpxrq njnl