Blade Ward

Level & School
Abjuration cantrip
Casting Time
Action
Range
Self
Components
V, S
Duration
Concentration, up to 1 minute
Classes
Bard, Sorcerer, Warlock, Wizard

Whenever a creature makes an attack roll against you before the spell ends, the attacker subtracts 1d4 from the attack roll.

Level & School
Abjuration cantrip
Casting Time
Action
Range
Self
Components
V, S
Duration
1 round
Classes
Bard, Sorcerer, Warlock, Wizard

You extend your hand and trace a sigil of warding in the air. Until the end of your next turn, you have resistance against bludgeoning, piercing, and slashing damage dealt by weapon attacks.

Blade Ward 5.5e 2024 vs. 5e 2014 edition differences

The 2014 version grants resistance to weapon damage types for 1 round, while the 2024 version imposes a -1d4 penalty on attack rolls against you for up to 1 minute.