Absolute Buffoonery

This pack is very themed around magic and combat. There are multiple tech mods for automation and lots of quality of life such as Supplementaries, Amendments, Dynamic Trees, DragN's Livestock Overhaul, and a bunch of others. Multiple combat-enhancing mods are in including Better Combat
A plethora of magic mods and Mana Unification to ensure they work together to bring a magic-wielding experience for any wizard or mage-to-be.

Voice chat, and FTB Teams to ensure partying up and playing together is easy and accessible.

Server pack is included in case you want to make one though!

Main focus mods are:

Magic and Witchcraft such as: Ars Nouveau (and a bunch of add-ons for it), Hexerei, Blood Magic, Apotheosis

Multiple creature mods such as Alex's Mobs, Aquaculture 2, Kobolds, Ice and Fire, and Ribbits to name a few

Dimension mods such as : Aether, Twilight Forest, Deeper Darker, Ad Astra etc

Create (Multiple add-ons and compat mods to make it better/easier)

Macaw's Collection for more enhancements to building/decorating

Born in Chaos, Iron's Spell 'n Spellbooks, and Simply Swords and Simply More for all the weaponry and tools you could need

Mystical Agriculture and Botania

and more not mentioned here and a metric ton more to come!