how can I add new monster: Morocc adult?

[eppc0330]

 

Hello

At first I tried to add this monster for a custom pet, but files for the boss does not exist in my client

 

Where can I get a sprite file for this monster?

 

I also want basic information about adding custom monster

 

Thanks

[OptimusM]

https://github.com/rathena/rathena/wiki/Custom-Mobs

That monster are in the oficial kRO data grf

Edited November 22, 2018 by OptimusM

[eppc0330]

Thank you so much!