Well, first of all I want to clarify that I speak Spanish and I have translated it through the Google translator, some things may not be understood.
I have time using aternos, I created a new account with the inteción to have a world with mods, but not any mods, but the mod called Dragon block C, I do not understand much about modspacks but I assimilate that this is one of those because it has to have add-ons so that it works well. Without deviating from the subject, I searched and investigated, I saw in videos that this mod was before but when I looked for it it did not appear, I tried to communicate by email and they told me to come here to present my suggestion of a mod, without anything else add, I hope it can be added, thanks.