I was going to record my playthrough of this world for a Let's Play. But I gave up on that.
I played on Easy difficulty, enabled cheats, used a seed someone else found, and installed mods to make it easier.
Here are coordinates to waypoints I set (The listed numbers are the X, Y, and Z coordinates in that order):
OVERWORLD WAYPOINTS:
Spawn: 4 64 220
Where the Bonus Chest spawned (Because I enabled it): 6 64 221
The waypoint to a nearby village I leeched off of: 23 64 212
My home, which I named "Frostfell Fortress": -12 70 192
The level of my mine that I planned to find iron at: -35 52 199
The level of my mine that I planned to find gold at: -61 27 200
The level of my mine I planned to find Lapis Lazuli at (it's an additional cost for enchanting): -76 14 199
Below a mineshaft, but in my mine: -61 27 185
The bottom of the mine, where I ran into lava (which I later turned into obsidian) instead of finding diamonds like I hoped I would: -80 10 199
Where I found some cows and marked them: -185 70 283
Where I marked the general location of some donkeys I found: -331 65 492
A cave I marked where I found some Endermen: -170 59 452
An entrance to a cave I marked: -140 63 412
Another waypoint of where a cave is: -99 13 639
A place I marked so I could teleport back home and then to it so I could easily return to my search for a Stronghold: -409 67 577
Where I used a bed to skip the night during the Stronghold search: -863 63 1179
Where I found the Stronghold I used to get to the End: -973 30 1396
The End Portal Room inside that Stronghold (I filled the Ender Eye slots during my playthrough): -979 23 1326
NETHER WAYPOINTS:
Nether Portal: 12 69 11
A cliff over the lava sea that I used as garbage disposal: 4 67 8
Where I found a Nether Fortress: 162 72 19
The interior of the Nether Fortress: 163 80 9
The Blaze spawner I grinded at to get Blaze Rods: 187 58 -111
END WAYPOINTS:
The Obsidian Platform: 100 49 0
Where I first touched End Stone: 92 48 18
My first of two death points: -30 73 21
The second of two death points: -9 61 -34
The starting location of the Dragon Egg: 0 65 0
Here is the resource pack that I used (Disclaimer: I'm not affiliated with the creators of the resource pack): https://faithful.team/faithful-1-12/
Here are all of the mods that I installed (I did not create any of these mods, and I'm not affiliated with any of the creators):
Just Enough Items (I used version 4.16.1.302 for Minecraft 1.12.2): https://www.curseforge.com/minecraft/mc-mods/jei
Just Enough Resources (I used version 0.9.2.60 for MC 1.12.2): https://www.curseforge.com/minecraft/mc-mods/just-enough-resources-jer
Hwyla (I used version 1.8.26-B41 for Minecraft 1.12.2): https://www.curseforge.com/minecraft/mc-mods/hwyla
Xaero's Minimap (I used version 1.16.3 for Minecraft 1.12.2): https://www.curseforge.com/minecraft/mc-mods/xaeros-minimap
Xaero's World Map (I used version 1.3.4.1 for Minecraft 1.12.2): https://www.curseforge.com/minecraft/mc-mods/xaeros-world-map
I also used Minecraft Forge, specifically version 14.23.5.2855 for Minecraft 1.12.2. Here is a link to Forge's homepage: https://files.minecraftforge.net/net/minecraftforge/forge/