Secret Rank
You get this after rescuing Scizor from Blizzard Island.
Lucario Rank.
No, Master Rank is the highest in Explorers of Time. Explorers of Sky has some higher ones.
no there is not an lucario rank in pokémon sky
By using Wondermail. You can only do this if you have the highest explorer rank.
Lucario Rank is the highest rank in Pokemon Mystery Dungeon: Red Rescue Team. That is also true for Pokemon Mystery Dungeon: Blue Rescue Team.
Guild Master Rank
Master Rank
When you rescue Scizor, he will give you the secret rank. In Explorers of Sky only, this unlocks 4 more ranks above Master Rank.
You need the Master *** Rank.
The highest mission rank is '*9'.
It lets you go on missions for legendary pokemon. :)
It depends on the rank you are on; the higher your rank, the more points it takes.