Latency and Disconnect Isses with League of Legends and Discord

Ivehad randomly high spikes and disconnects from the game server and discord.
Its been like this for about 4 weeks ive talked with techs and they reset my modem many times. But they never can see the underlining issues but i can feel it and see it when it happens, doesn't matter what time of the day, i just want some help. Here is the event log and status from my modem and also a winMTR to leagueoflegends.com, The highest ping was almost 3000.

https://imgur.com/a/7lAl9ki
https://imgur.com/a/7lAl9ki

Please Help.

Edit: Ive added a ping plotter here also