D&D 5E 20th level Sorcerer vs the world

[Ovinomancer]

I have a simpler win:

Rogue 20, CHA 20 (other stats unimportant).
Skills: disguise kit, persuasion
Expertise: disguise kit, persuasion
Feats: actor, if you really want.

Subclass: arcane trickster.

The Win:

Rogue keeps illusion of looking like a famous wizard up, wearing red robes. In addition, uses disguise to look like same famous wizard, but with blue robes. Walks along roads between Candlekeep and Foggy Bottom, rather carelessly, and waits to be attacked.

Since the Lazy One cannot tell this isn't a famous wizard, they enact their sneaky attack plan, and dispel from hiding, which I absolutely cannot detect, except for the fact my robes change from red to blue. At this point, initiative is rolled, because I've detected a hostile action! I still have no idea where the Lazy One is, but that's okay, they're within earshot if they're dispelling! The rogue immediately begins using Persuasion at the top of their lungs to convince the Lazy One to give themselves up. Using Stroke of Luck, if needed, to set the roll to 20, so achieving a 37 DC for the Lazy One, who has no effective defense. Given how the OP states that social skills work, this is an instant win, the Lazy One is convinced to surrender.

Victory, according to the current rules of this Calvinball game! And nary a spell cast in offense!

 

[Hohige]

Doubled.

 

[Hohige]

I have a simpler win:

Rogue 20, CHA 20 (other stats unimportant).
Skills: disguise kit, persuasion
Expertise: disguise kit, persuasion
Feats: actor, if you really want.

Subclass: arcane trickster.

The Win:

Rogue keeps illusion of looking like a famous wizard up, wearing red robes. In addition, uses disguise to look like same famous wizard, but with blue robes. Walks along roads between Candlekeep and Foggy Bottom, rather carelessly, and waits to be attacked.

Since the Lazy One cannot tell this isn't a famous wizard, they enact their sneaky attack plan, and dispel from hiding, which I absolutely cannot detect, except for the fact my robes change from red to blue. At this point, initiative is rolled, because I've detected a hostile action! I still have no idea where the Lazy One is, but that's okay, they're within earshot if they're dispelling! The rogue immediately begins using Persuasion at the top of their lungs to convince the Lazy One to give themselves up. Using Stroke of Luck, if needed, to set the roll to 20, so achieving a 37 DC for the Lazy One, who has no effective defense. Given how the OP states that social skills work, this is an instant win, the Lazy One is convinced to surrender.

Victory, according to the current rules of this Calvinball game! And nary a spell cast in offense!

And worst of all. How crazy for a rogue to disguise himself as a Wizard to become a Stone Chicken. Stealth + Subtle Polymorph + Subtle Flesh to Stone.

 

[Eltab]

...How crazy for a Rogue to disguise himself...

We've established that you are multi-overcommitted on Wish'ed for spells each day. Care to get your story straight, starting with "Each morning after finishing a Long Rest, the Sorcerer casts ... ", and providing your list? You can distinguish between "Prep time days" and "In-action days" if it will help.

 

[Ovinomancer]

And worst of all. How crazy for a rogue to disguise himself as a Wizard to become a Stone Chicken. Stealth + Subtle Polymorph + Subtle Flesh to Stone.

Ah, but you do that AFTER you dispel. Initiative time!

 

[Hohige]

Ah, but you do that AFTER you dispel. Initiative time!

Subtle Dispel. No initiative for you.

I Will repeat again, Subtle Spells are undetectable.
Stone Chicken Rogue. Unespected.

 

[Jfdlsjfd]

Subtle Dispel. No initiative for you.

I Will repeat again, Subtle Spells are undetectable.
Stone Chicken Rogue. Unespected.

You are really arguing that a Subtle Dispel of a spell coloring a blue robe into a red robe is so subtle that the robe stays red?

 

[Hohige]

You are really arguing that a Subtle Dispel of a spell coloring a blue robe into a red robe is so subtle that the robe stays red?

The Sorcerer known automatically ALL spells with arcana check + Trance of Order.
The Bastion knows every spell on The target.
Why dispel a ilusion spell? Just turn him into a Chicken.

 

[James Harrison2]

That is nonsense. Otherwise people could see through all your spells with an arcana check? (Destroying a few iterations of your sorcerer)... I'm pretty sure this rogue has you

 

[Jfdlsjfd]

The Sorcerer known automatically ALL spells with arcana check + Trance of Order.
The Bastion knows every spell on The target.
Why dispel a ilusion spell? Just turn him into a Chicken.

The Lazy One never "perceived the casting, the spell's effect or both", so no, you can't determine "every spell on the target" just by looking.
Plus, Trance of Order only allows you to treat results of 9 or less as 10. WIth 10 INT, that's +0, so Trance of Order doesn't help you, turning results of 0-9 into 10, because that's a 10 and the DC to identify a spell you witness is 15+spell level. That's a range of DCs is 15-24, so changing a 4 into a 10 results in the same failure. Are you saying that the Lazy One's strategy is to never ever dispel when he doesn't detect a spell, which means he never dispels Contingencies, for exemple? (DC 21, that's impossible to understand for him even if was witnessing the spell being cast). That's totally contrary to what you said upthread about his strategy, insisting on his ability to cast dispel subtly... while he very rarely dispels and only on target who cast low-level spells.

That is nonsense.

Yes, that's the way the OP has to introduce strange readings of the rules. I think the "Calvinball" reference earlier was a very good approximation of what must be happening at his table.