Light Shield: 1 AC, bonus action to don/doff, light armor proficiency. Your hand is free, but cannot wield a weapon when it is donned.
Shield: 2 AC, action to don, bonus to doff, medium armor proficiency.
Tower Shield: 3 AC, -5' movement (-10' unless 13 strength), disadvantage on stealth, action to don/doff, heavy armor proficiency.
Bonus action don/doff means you can take a longsword snd switch to two-handed as a bonus action, then back to one-handed as a bonus action.
Shield Block: when you take non-psychic damage and are able to perform reactions, you can block. You gain resistance to the damage from that attack or spell or similar, and your shield loses 1 point of AC. Magic shields can do this once between long rests without losing AC; if attuned, up to proficiency bonus times.
Shield: 2 AC, action to don, bonus to doff, medium armor proficiency.
Tower Shield: 3 AC, -5' movement (-10' unless 13 strength), disadvantage on stealth, action to don/doff, heavy armor proficiency.
Bonus action don/doff means you can take a longsword snd switch to two-handed as a bonus action, then back to one-handed as a bonus action.
Shield Block: when you take non-psychic damage and are able to perform reactions, you can block. You gain resistance to the damage from that attack or spell or similar, and your shield loses 1 point of AC. Magic shields can do this once between long rests without losing AC; if attuned, up to proficiency bonus times.