Minecraftia ( Diary of an 8- bit warrior)

The blackguard emanates a dark aura that instills fear in the hearts of nearby creatures. All creatures within a 20-foot radius must make a Wisdom saving throw or become frightened for the duration of the spell.

When a blackguard catches an opponent off guard, they can strike a vital spot, dealing extra damage. If the target is denied their Dexterity bonus to AC, the blackguard's attack deals an additional +1d6 damage at 4th level, increasing by +1d6 for every three levels thereafter.

You perform a dark ritual that requires a drop of your own blood, channeling its power to enhance your spells. For the next however long you would like, your spellcasting ability is heightened, allowing you to add your spellcasting modifier to the damage of your spells, but you take 1d4 Piercing damage for as long as the spell is active.

This spell grants the target complete immunity to fire damage for the duration of the spell. Additionally, any fire-based spells cast by the target will have their damage increased by 1d6.

You gain the ability once per day to target a single undead creature to bring under your control. The command works on a single undead creature with a Challenge Rating equal to half your character level, up to a maximum of CR 10. Intelligent undead, such as vampire spawn, can make a Wisdom saving throw to resist your command.

The blackguard channels their dark power, applying their Charisma modifier as a bonus to all saving throws. This blessing enhances their resilience against magical and physical threats, reflecting their sinister connection to dark forces.

You inflict a debilitating curse on a target, causing their limbs to feel heavy and unresponsive. The target must succeed on a saving throw or suffer from reduced mobility and impaired actions for the duration of the spell.

Once per day, a blackguard of 2nd level or higher can attempt to smite a good-aligned creature with a melee attack. The blackguard adds their Charisma modifier (if positive) to the attack roll and deals an additional point of damage per class level up to a max of +20 points of damage. If the target is not good it still takes 1d8 necrotic damage, but the smite has no effect and is still expended for the day.

You utter a chilling whisper that resonates with the essence of death itself. A target within range must make a saving throw or either suffer necrotic damage, be frightened for the duration, or drop to the ground dead.