Summon technique

In the show, we got people using summons a lot such as Jiraiya using frogs, Orochimaru using snakes. So one suggestion that i had for new techniques is that of having a chance to get a summon scroll. with the summon scroll. you have the chance to summon animals which are snakes frogs, dogs, basically the critters located around the world. if the players have a high enough amount of chakra, they can summon the boss which is just a gigantic version of the animal who can be rode on by right clicking the animal and attack by left clicking. the amount of damage done is based on the users nin.