Why are the leaderboards inaccessible? They just lead to an error page for me

They take too long to load, which causes an error. This usually happens, but once in a while you might get lucky enough to access them. 

Can you get Lykos from an Activated Egg? Or is it just something that someone can create for building requirements and such?

hovering the computer mouse over the egg tells you:

,,This beast is awake. Break the shell to let it out.''

choose an egg and select the ,,use'' option, that is how it is done.

Does Roar replace the bite attack? Or is it a battlefield thing? Or does it just make it so the opponent always has a 20% chance to miss(in a battle)?

There is no gene called Roar. If your pet has Musical Larynx or Musical Beak, it will give you a battlefield attack called Battle Cry. 

In arena:

Musical Beak - Your pet can voice a loud Shriek. When using Rush, there is a 40% chance that your opponent will miss the turn. Deaf and Determined opponents ignore Shriek. Opponents with Poor Hearing have 20% chance to resist Shriek.

Musical Larynx - Your pet can voice a loud Roar. On every attack there is a 20% chance that your opponent will miss the turn. Deaf and Determined opponents ignore Roar. Opponents with Poor Hearing have 20% chance to resist Roar.

Ok, i know I sound dumb,but where do you find liscences? I dont see it anywhere

Go to trading >> state store

and you can buy them for 100 each

I have an idea for a forum game where one person posts criteria for a pet to meet (pet with all even stats or smth) and the next person posts a pet of theirs who meets that criteria then posts a new one for someone else to meet.

I don't know If this would fit better in pet showcase or forum games. What do you think?