Hero Wars Winterfest 2 mini puzzles 2023

Winter Stories ,winterfest, mini games, minigames, hero wars, fireworks, NY2024 , strongford,

You need to find  1 letter (Y) and 3 (2,2,4) numbers to be found:

The first one is located in chapter 1 of the Campaign

The second one is located in chapter 2 of the Campaign

The third one is located in chapter 12 of the Campaign

The fourth one is located in Strongford while someone is launching the fireworks