Ten Unique D&D Magic Items Based on Midgard Deities

1. Mjolnir's Might: This +3 warhammer is imbued with the power of Thor, the god of thunder. Once per day, the wielder can call down a bolt of lightning to strike a target, dealing extra damage.
2. Huginn and Muninn: These two ravens are the familiars of Odin, the allfather. When a player attunes to them, they gain advantage on all Wisdom (Perception) checks and can speak and understand any language.
3. Draugr's Dread: This +2 longsword is forged from the bones of the undead and blessed by Hel, the goddess of death. Its strikes deal extra damage to undead creatures and cause them to flee in terror.
4. Jotunheim's Fury: This +2 greatsword is infused with the power of Skadi, the giant goddess of winter. Once per day, the wielder can summon a blizzard to freeze their enemies in place, slowing them down for several rounds.
5. Nidhogg's Venom: This +1 shortsword is coated in the deadly poison of Nidhogg, the dragon that gnaws at the roots of Yggdrasil. Any creature struck by it must make a Constitution saving throw or suffer ongoing damage.
6. Surtur's Flames: This +2 battleaxe is ablaze with the flames of Surtur, the giant lord of fire. Its strikes deal extra fire damage and can set objects or enemies alight.
7. Loki's Trickery: This +1 dagger is enchanted with the mischievous power of Loki, the trickster god. When the wielder makes a successful attack, they can choose to deal an extra 1d6 psychic damage, or force the target to make a Wisdom saving throw or be charmed for one round.
8. Freyja's Blessing: This +1 amulet is imbued with the love and beauty of Freyja, the goddess of fertility. While wearing it, the player gains advantage on all Charisma (Persuasion) checks and can cast the spell Charm Person once per day.
9. Hel's Embrace: This +2 suit of plate armor is crafted from the bones of the dead and infused with the power of Hel, the goddess of death. The wearer gains resistance to necrotic damage and can use a bonus action to summon a swarm of skeletal warriors to fight for them.
10. Tiamat's Wrath: This +3 dragon-slaying spear is imbued with the power of Tiamat, the five-headed dragon goddess. Its strikes deal extra damage to dragons and can summon a rain of acid to rain down on enemies once per day.

Here is a basic 5e stat block for an ogre:

Ogre Large giant, chaotic evil

• Armor Class 11
• Hit Points 59 (7d10 + 21)
• Speed 40 ft.

• Skills Perception +2
• Senses darkvision 60 ft., passive Perception 12
• Languages Common, Giant
• Challenge 2 (450 XP)

Actions

• Greatclub. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) bludgeoning damage.
• Javelin. Melee or Ranged Weapon Attack: +6 to hit, reach 5 ft. or range 30/120 ft., one target. Hit: 11 (2d6 + 4) piercing damage.

Lich Medium undead, any evil alignment