Game Mode Idea

So the game mode idea i had, the name(s) that i came up with are Grand Melee, War of Runetera, Nation Wars. Game mode consist of 4 team (1v3, 2v6, 3v9, or 5v15). Each team get 1-2 bans, and one random team get 1 extra ban. (1-2 depending on which mode you are in). The map would have the 4 different starting places, probably a square map, each start area in a corner. Each start base with represent one of the 8 major cities in league (Noxus, Demacia, Zuan, Bilgewater, Bandel City, Piltover, Ionia), which would change/be random witch they represent each game. All champions start off with there "Finest weapons and armor" (full build, 6 items) with one "reserve" item (one single item they switch out at base). Everyone starts at 18. Each base has a single lane of towers plus there nexus, but 2 inhibitors, which both need to be destroyed to atk the nexus. There would be jungle area on the map, with 4 unique epic monster that would take at least 2+ to kill, and 1 super monster (baron/vilemaw type deal). 1 monster would give your entire team red buff, one would do blue, one would give a atk speed buff, and the last would give first dragon buff only, all for a short amount of time of course. And the Super Beast in the middle would give all 5 buffs, plus movement speed. When starting all items in the game, from ARAM items to Summoners Rift items will be available to you (example you can have wooglets cap and rabadons and hourglass, BUT wooglet and hourglass would both trigger at the same time, and wooglet and rabadons passive would not stack, granted it dose not have a unique name so i guess it would stack). No wards, so sightstone items would not be available that's the only items that will not exist, but instead in the jungle areas would be objectives/alters. capturing theirs areas would grant vision until an enemy team captures them, and they would be locked for a certain time after you capture them. To end the game there would have to be one team left, so matches would sadly take possibly and hour or so, but that's why everyone would start out max level and full build, so it would just be pure carnage. There would also be other small jungle areas for creeps and stuff for people that wanted devourer, and people that get stacks from creatures ( or for example). The super monster in the middle would be inside almost a 4 entrance baron/dragon pit, and would need at least 4 to take on, but good luck with 3 other teams wanting it as well. I know it sounds complicated but i think it could be fun as hell and just a pure onslaught of carnage. Oh and there is no minions, kinda no point for them with that much going on all ready and being full build to start.