Sea beast
[5 It was given a mouth speaking great things and blasphemies, and it was given authority to act for 42 months. 7 It was permitted to wage war with the holy ones and conquer them, and it was given authority over every tribe and people and tongue and nation. 10 If anyone is meant for captivity, he will go into captivity. If anyone will kill with the sword, he must be killed with the sword. This is where it calls for endurance and faith on the part of the holy ones.]
Above are the actions of the sea beast. The rest is your mental construct of events. As previously discussed, the sea beast has 42 months to carry out the instructions of the Dragon, Satan the Devil (Rev. 13:5). Then beast from the earth comes on the scene (13:11). It exercises all the authority of the sea beast (13:12). Afterwards the sea beast disappears and an image is erected in its honor by beast from the earth (13:14). Beast from the earth is also allowed to give breath to the image, so the image becomes a beast in its own right (13:15). This new beast is called the scarlet-colored wild beast (beast from the abyss). This is the beast that Jesus disposes of, alongside the false prophet (19:20). This construction of events follows the natural Revelation chronology (chapter 13 > chapter 17 > chapter 19). I will stick to these.