Pet Fortification (wich makes the pet bigger and also gives the pet damage reduction) level can be increased by: -Basic Pet Gem (from +0 to +5)

Acceptable Price: 300k

-Intermediate Pet Gem (from +5 to +13) !!(i am not sure with this cause i never had better level than +7)

Acceptable Price: 450k

- Pet Fortify Charm (If you use it when fortifiing the pets level wont drop to +0 after failure it will only drop 1 level but if u have +6 or higher it wont drop below that level if you use this item)

Acceptable Price: 1kk (1 million for those who dont know)