Here are my top 10 fantasy book series as of the beginning of 2024. Spoiler there's a lot of 80's stuff!

00:00 Intro
00:24 Honourable mention 1
00:43 Honourable mention 2
01:09 Honourable mention 3
01:33 10
02:08 9
03:38 8
04:05 7
04:32 6
05:42 5
06:55 4
08:17 3
09:12 2
10:01 1

Goodreads   / nevilleridleysmith  

Series mentioned:
Wheel of Time Robert Jordan
Drenai Saga David Gemmell
Realm of the Elderlings Robin Hobb
Mistborn Trilogy Brandon Sanderson
Fighting Fantasy Steve Jackson & Ian Livingstone
Harry Potter J K Rowling
Chronicles of Narnia C S Lewis
Shannara Terry Brooks
Dragonlance Chronicles Margaret Weis & Tracy Hickman
Drizzt R A Salvatore
Belgariad David Eddings
Discworld Terry Pratchett
Riftwar Cycle Raymond E Feist
Lord of the Rings JRR Tolkien