Terrain
Pixalette Texture Pack
With its bright colors and simplistic textures, Pixalette profoundly alters the style of Minecraft
Mainly Realism [Resource Pack]
As you might expect, Mainly Realism is built on a very heavyweight: 256x resolution
Rose Revamp [1.15] Resource Pack
And since Rose Revamp is primarily for PVP players, it's pretty normal.