Each to their own and individual taste and all that. I loved the Chronicles of Thomas Covenant but it took a few years to get there.
After being blown away by the Lord of the Rings at age 11, the next books I picked up were Terry Brooks the Sword of Shannara and Donaldson's Lord Foul's Bane. At the time I really liked Sword but I couldn't deal with LFB. From what I remember, it seemed to take ages to get Covenant to the Land and those chapters were particularly fun reading. Leprosy, divorce, disgust from the townspeople, misery. Huh, what's this? Then, when we finally get to the Land, there was an interminably long monologue from the creature who summoned Covenant followed by another neverending monologue from some guy called Lord Foul. Hang on, where's the mysterious stranger who arrives to tell the hero what to do? Where's the Gandalf/Allanon figure? Oh no, not having this, it's not following the correct procedure! I put the book down.
Fast forward a couple of years. A school friend was talking about TC and I said I hated it and had stopped reading. " But you missed this awesome scene, that awesome scene, Giants, Ravers, Bloodguard, Ranyhyn, Mhoram, Elena, you missed out the battles in the following books, etc." Ok, I'll try it again.
I still didn't like Covenant but the Land. Oh, the Land! The people and their selfless devotion and love for each other and the Land. The places; Revelstone, Revelwood and Andelain became just as important to me as Minas Tirith, Lorien and the Shire. TC remained an unwelcome intrusion in this amazing world. There were times I would rage at him. "What are you playing at?", " Why are you doing these despicable things?", "Why can't you accept the beauty of the Land", "Why are you such a coward?", "DO SOMETHING!!!! People are DYING!!!!!!".
And then, in the third book... he did.
After everything that happened. All the deaths, the defeats and sacrifices. After all the damage inflicted by himself and by Lord Foul, Covenant snaps. He may still not believe in the Land but he loves it and will defend it. For me, that moment when he says (paraphrasing) "I'm going to pull Foul's Creche down around that *******'s head." is right up there with the Ride of the Rohirrim for most awesome, fist pumping moment in fantasy.
It's been a while but I reread the first two trilogies over and over again and each time I began to appreciate more and more Donaldson's writing and what he was doing with a character like Coveneant. And Linden Avery. I really liked that they weren't the usual type of characters you find in an epic fantasy. They're not the most pleasant people and they're both damaged goods but, IMO, that's what makes the Chronicles such a powerful piece of writing.
Donalsdson has said the Chronicles of TC are a comparative theology and there are references to Christian, Judaic and Buddhist terms and philosophy in there. I don't have the knowledge, the skills or the confidence to go there but there are definitely deeper levels to the series than a lot of epic fantasy.
As always, your mileage may vary.