This modpack is a kitchensink modpack.

Like magic? There're mods such as "Ars Nouveau" and "Iron's Spells 'n Spellbooks"

Create custom spells with "Ars Nouveau"
Use pre-defined, but more visually appealing spells with "Iron's Spells 'n Spellbooks"

Like tech? There's the "Create mod"

Create steampunk monstrosities or simple automated factories using "Create".

Like both? There's "Ars Creo" to combine the functionality of "Create" and "Ars Nouveau"

Like exploration? There's "Origins", several world generation changes such as "Tectonic", "Alex's Caves", and new boss fights from "L_Ender's Cataclysm".

Pick a starting race with powerful advantages and debilitating disadvantages using "Origins".
Explore a remade world with "Tectonic".
Find rare and giant, unique, caves with "Alex's Caves".
Fight powerful bosses with "L_Ender's Cataclysm".

Like building? There's several decoration mods such as "Cluttered", "Abyssal Decor", and several decoration addons for "Create".

Add minor touches such as books on the ground using "Cluttered".
Include old lovecraftian themes in your build using "Abyssal Decor".
Nail the steampunk or factory theme using "Create" and several of its decoration addons.

Only the main highlights of the pack were named here, there's more; such as additions to "Create" and "Ars Nouveau".

Ungato

[Let's Do] API

Legacy: [Let's Do] Bakery

[Let's Do] Beachparty

Legacy: [Let's Do] Brewery

Legacy: [Let's Do] Candlelight

[Let's Do] HerbalBrews

[Let's Do] Meadow

[Let's Do] NetherVinery (unsupported)

[Let's Do] Vinery

Abyssal Decor

Aileron

Alex's Caves

Amplified Nether

Aquaculture 2

Aquaculture Delight (A Farmer's Delight Add-on)

Architectury API

Ars Creo

Ars Elemental

Ars Nouveau

AzureLib