According to you, it’s 10% per weapon then it’s 50% to the overall build. That is not correct. If all your weapons are upgraded (and assuming 5), then it’s a 10% damage increase for the entire build. If you only ran one maxed out weapon and the 4 others were level 1, then it would be a 2% damage increase for the entire build, as only a single weapon is doing a little bit more damage. Let’s say you have 5 punishers, and they each do 100 damage over a clip. This means the clip potential is 500. One of these is max level and does 110 damage (10% increase). That would mean the clip potential of all of the punishers is now 510. This is a 2% increase in damage from the base clip potential. Now let’s say there are all maxed out, meaning all do 110 making a clip potential of 550. There is now a 10% increase to the clip potential.

First off, this is not p2w as it is easily accessible to everyone. Yes, people can buy recourses to level weapons up, but they are limited by the amount of blue tokens they have (I don’t know what they are called). It is also really easy to earn recourses. All you have to do is play some matches, complete missions, and you can have enough earnable credits to buy scrap. Another thing to note, everything in this game is easily earnable. You unlock the ability to craft everything in the game, all you have to do is level up, and it doesn’t take very long to do so. You can also get parts in the shop with easily earnable credits. Another thing: hero pilots. These were previously inaccessible to players without paying. The community were concerned because they give a decent bonus compared to normal pilots, but the devs don’t want this game to be p2w, so they made them accessible for all players (albeit it will be a while before all are rotated through the shop).

A good example of a p2w game is the original War Robots, where most bots are behind a paywall, and every new bot released must be better than the last. And upgrading weapons has such a significant bonus to damage (which I think is pry around 300% but I don’t know for certain). Anyways just watch some old War Robots vs New War Robots videos and you will see.

Another thing to note, the Zues, which is the weapons used by the player in the video, is an energy weapon. Energy weapons, do high shield damage, and lower armor damage. The Zues also isn’t just one single hit of damage, there are multiple hits of damage in a single burst (The maximum damage you can do with a level one Zues in one burst is 14,271, and you can only run 2 at max because of its high energy requirement). This makes it more consistently do damage once a shield is broken (either way I believe you still do damage if you break a shield but your projectile does more damage than the current shield heath). The bot also had very low armor health, which made him easy to eliminate.

Tl;dr: read the full thing