I wonder if Ravager will ever get a little lore. The only thing we know about it is that it's an ancient Automaton roaming the land after the Golem's defeat. And is summoned using items gained from the temple. Perhaps it's some sort of ancient golem, a golem made prior to the Golem we all know and love. Judging from all the blood based stuff, the people who made it could be originating from the underworld or they may have mixed themselves with a Golem to create Ravager. There is no doubt that the two automatons are similar, as both have around the same general build. And judging by the Ravager's death message, it only says "A Ravager has been defeated", as opposed to "Ravager has been defeated". That implies that Ravager is probably a mass produced thing, Maybe Ravager was originally golems made deep in the underworld, and then due to them not being able to function, underworld spirits, demons, that stuff merged with the underworld golem in order to give it life, and in order to make it move. If that were the case the only real times they saw conflict was the Calamitas attack and the war against the Hallow, and if it was in the war against the Hallow, they were brought up to land and used in several fights, some occasionally breaking down and remaining inactive. These golems may have been created using what Lihzahrd bricks once were, and they were activated using the Ancient medallion, eventually the Ravagers were likely abandoned after Providence was born, causing them to spawn on the overworld in the game.
Another thing I found interesting about Ravager is that they were one of the "Calamitous creatures" that gained a buff after Providence's defeat, along with Calamitas and the Brimstone Elemental, both of which who had something to do with the underworld. Brimstone Elemental was once worshipped at the capital, Calamitas once destroyed the capital. Then where does Ravager fit in? Were some of the older Ravagers kept to defend the capital and were destroyed in Calamitas' attack? That would be a likely explanation, and like I typed earlier, the ones we fight on the overworld were simply relics of the war, reactivated by the Ancient Medallion that could've been used to power the automatons.
Though what doesn't make sense is that they were mentioned to have been reactivated following Golem's defeat, which may not support the Medallion theory, but that Medallion does have some sort of use concerning the Ravager, be it a powering device, be it a beacon, either way, it draws one to the player. The Golem's defeat is a big factor in the game though, causing a few things to occur, the plague hits your part of the jungle, the cultists begin converging at the dungeon, and of course, Ravager is reactivated, perhaps Golem emitted some sort of energy which caused the cultists to go to the dungeon to summon the Moon Lord, and the very same energy caused the Ravager to reactivate. I kinda wanna say the energy is affiliated with Providence, as Providence was stated to be a source of energy for the Golem, who uses Sun energy, I would like to say that the Ravager also runs on similar energy, as the Golem may have released a lot of energy upon defeat, caused the Ravager to stir due to the energy, and got stronger when Providence was taken down, perhaps it was a boost of energy, as we can re-summon Providence. What I also find interesting is that the Calamitas clone and Brimstone Elemental both get a buff upon Providence's defeat. Why them? Perhaps the underworld used to use that sort of energy and Calamitas' clone used it (somehow) as well. And that'd only mean that Providence was only defeated and released even more energy upon it's defeat. Hence why Providence can be re-summoned. And this would tell us a few things if all of this was (somehow) true.
A-Ravager is older then Providence, and was used in the Underworld-Hallow War spoken of in Providence's Lore.
B-Ravager ran on the same energy as the Golem, and that the underworld uses this energy too. Possibly through the Underworld's lava
C-The remaining Ravagers after the war were used to defend the underworld capital, and were all destroyed when Calamitas layed siege to it.
D-Calamitas also uses this power, hence why the clone gets buffed.
E-So does Brimstone Elemental.
I wonder how many obvious facts I stated, I got carried away, sorry.
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