Can a Hexblade cast spells with a shield?

If a Hexblade takes Pact of the Blade as their Pact Boon at L3, they become eligible for the Improved Pact Weapon invocation and can swap out one of the invocations selected at L2. From that point, they can keep their weapon and shield in hand at all times, using the weapon as a spellcasting focus.

Can a cleric cast spells with a weapon and shield?

As per RAW, you can cast any spell that has M component with the Holy Shield, even if it has S component.

Can a Paladin use a shield as a holy symbol?

A holy symbol is a representation of a god or pantheon. A cleric or paladin can use a holy symbol as a spellcasting focus, as described in the Spellcasting section. To use the symbol in this way, the caster must hold it in hand, wear it visibly, or bear it on a shield.

Can you cast spells with both shield and weapon?

You can, you just need the other hand free, or the War Caster feat, which allows you to cast spells with somatic component while wielding shield and weapon. Meaning I can’t have both weapon and shield, right?

Can you cast a spell with both hands?

If you also take the War Caster feat, you can cast spells with the somatic component even if both hands are occupied by a weapon and a shield: You can perform the somatic components of spells even when you have weapons or a shield in one or both hands.

Can you use a shield without a war caster?

\\$\\begingroup\\$ @Adeptus Except that, by default, you wouldn’t be able to use a hand holding a shield for somatic components, even if it had the holy symbol on it. So without War Caster, you could only cast spells without Somatic components while holding weapon and shield.

Do you know the roll for a shield spell?

According to Sage Advice, the caster should know the roll made for the attack before casting Shield. There were some that argued that the caster should not know the roll and should cast Shield before seeing if the spell would block the attack or not, because it was metagaming too much to know the roll.