I've heard that the galaxy is war torn and that combat between different ET groups is very common.

How do these ET factions actually fight? With weapons like guns or mental telepathy, do they need to physically defeat the body of the ET and even if that is done can't the ISBE just animate another body to continue fighting?

There isn't enough material on how these fights happen and what 'defeat' actually means between these ETs that are at war.

Thanks in advance.

From what I know based on Farsight narrative . . .

They fight with both physical and mental weaponry. Yes, psionic attacks. Yes, space lazers like you picture in the movies. Flung comets, apparently, is also a thing.

They indeed "respawn" like in a video game, or pop out. But think of it with all your armor gone. They can't just go in a new body, one has to be grown. When someone comes to invade, getting rid of all the ships and the bodies defending those ships, the "ghosts" are mostly defenseless from the invasive takeover of the territory. Furthermore, the "ghosts" could be vacuumed (I think Luigi'z Mansion is actually an acclimatization to some degree)

There have been published remote viewings on rather dramatic wars. Granted, we don't really know how these weapons work or their capacities. Otherwise we could probably build them.

There are 3 types of "defeat" we're familiar with. Banishment, imprisonment, and death. But with what we're told about the nature of reality, we can eliminate "death" from the list.

Interesting questions @Neo

In a physical universe wouldn't wars be conducted physically, real bodies, real tech, real weapons, etc, much like what happens here on this planet? There are physical assets and trophies in play.

That is not to say there is no mental/electronic warfare going on, which affects the physical targets.

Taking things further this raises an interesting question, can ISBE's out of body, influence and affect those in bodies? It sure seems so from many human ISBE's experience on planet, that can and does happen.

Wouldn't leaving a body in death and reanimating another require non bio bodies to jump from one to another? Physical bodies like we have here take time to reach maturity, so once the number of bodies are depleted, there's no immediate respawn back into the game as a ready to go fighting human unit. It has been how wars on this planet have been won, prior to the tech advancements we find ourselves in now.

There's indication the Domain also used physical reality assets to defeat the rogue element in our solar system. They used a large battlecruiser, and disc's, etc. All those physical assets need some form of physical personnel to operate them. So the ISBE's would have been utilizing bodies of various design that can operate in both a physical and space location.

There's some physical evidence to back up a portion of the book where the rogue element Mars base surface structure was destroyed. Davies Crater approx 300km north of Cydonia on Mars, certainly looks like blast radius and it is over 200km diameter. The Domain said they used electronic cannon as one of their weapons. If one was used at this location, it packs a punch so to speak.

There's an image of Davies crater here midway down the page https://www.ibtimes.co.uk/google-maps-take-virtual-tour-mars-moon-1460148

To add something else, I am not sure, but for example if an ISBE's disc was taken out, they were ejected from the body they used and they were operating within the effective traps area in this galaxy, would that mean they would be subject to capture and being imprisoned here? Or because they are not registered in the database, they aren't perceived by it? Alien Interview seems to suggest that ISBE's need to be processed into the system for it to work. The ISBE's at the Himalaya Base were processed at the Mars Base and then forced into the system, much like our prisons here inmates are captured, processed and held within the walls of the prison. Airl was able to escape because she was never captured and couldn't trigger the trap?

I don't know but some food for thought perhaps?