Case 2 and 3 are both likely, but your steed can’t smite while ridden. If you look at the spells RAW, they state that the next time you make a melee weapon attack the effect occurs. In the monster stat blocks, many things that are natural weapons like hooves and claws are classified as melee weapon attacks.
Can a paladin smite and cast a spell?
There is not a restriction saying you cannot combine these two effects. So, given they meet all requirements (a melee weapon attack and a spell slot to expend), a paladin could indeed use both a smite spell and the Divine Smite feature on a single attack.
Is smite once per turn?
TL;DR: other than “1 spell slot per attack” and “max 5d8 damage or 6d8 versus undead/fiends per use of divine smite” there are no limits. 1 divine smite per attack, but no limit per turn.
Can a Paladin use divine smite with a thrown spell?
If you cast a spell like Contagion, then you are making a “melee spell attack” and you can’t use divine smite. While Fire Bolt uses a “ranged spell attack”. In addition; hitting someone in the face with an unarmed strike is a “unarmed melee attack” and can’t benefit from divine strike.
When does searing Smite end on a Paladin?
When I, for example, cast searing smite as a paladin, and then attack and hit successfully, does the spell end after this successful attack, or does the smite last until the concentration ends or the user ends it? Let’s use searing smite as an example, as you’ve mentioned.
What happens when you use the Smite spell?
The next time you hit a creature with a melee weapon attack during the spell’s duration, your weapon flares with white-hot intensity, and the attack deals an extra 1d6 fire damage to the target and causes the target to ignite in flames. At the start of each of its turns until the spell ends, the target must make a Constitution saving throw.
How does a blinding Smite work in dungeons and Dragons?
Blinding Smite is a third level evocation spell with a casting time of a bonus action that causes your next successful weapon strike to deal 3d8 bonus radiant damage. In addition, the target must make a constitution saving throw against your spell save DC or be blinded until the spell ends.