both beast duplicate creatures require

If a potion doesn't duplicate a spell, does it require Concentration?

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

If a potion doesn’t duplicate a spell, does it require Concentration? A potion’s effect requires Concentration only if its description says so or if it duplicates a spell that requires Concentration.

Cube of Summoning

Magic Items Dungeon Master’s Guide

attack bonus) and doesn’t require Concentration, but you otherwise function as the spell’s caster. Once the cube summons a creature, the cube can’t do so again until the next dawn

. Cube of Summoning 1d6 Spell 1 Summon Aberration 2 Summon Beast 3 Summon Construct 4 Summon Dragon 5 Summon Elemental 6 Summon Fey

Wave

Magic Items Dungeon Master’s Guide

Held in the dungeon of White Plume Mountain, Wave is engraved with images of waves, shells, and sea creatures. You gain a +3 bonus to attack rolls and damage rolls made with this magic weapon. When

regains 1d3 expended charges daily at dawn. While you carry it, you can expend 1 charge to cast Dominate Beast (save DC 20) from it on a Beast that has a Swim Speed. Globe of Invulnerability. While

Planar Ally

Spells Player’s Handbook

typically require only half the suggested payment, while especially dangerous tasks might require a greater gift. Creatures rarely accept tasks that seem suicidal. After the creature completes the

our foray into the dungeon). You must be able to communicate with the creature to bargain for its services. Payment can take a variety of forms. A Celestial might require a sizable donation of gold

Animal Shapes

Spells Player’s Handbook

Choose any number of willing creatures that you can see within range. Each target shape-shifting;shape-shifts into a Large or smaller Beast of your choice that has a Challenge Rating of 4 or lower

. You can choose a different form for each target. On later turns, you can take a Magic action to transform the targets again. A target’s game statistics are replaced by the chosen Beast’s

Couatl

Monsters Monster Manual

Shielded Mind. The couatl’s thoughts can’t be read by any means, and other creatures can communicate with it telepathically only if it allows them.Bite. Melee Attack Roll: +7

save DC 15): At Will: Detect Evil and Good, Detect Magic, Detect Thoughts, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary

Fabricate

Spells Player’s Handbook

is based on the quality of the raw materials. Creatures and magic items can’t be created by this spell. You also can’t use it to create items that require a high degree of skill&mdash

Simulacrum

Spells Player’s Handbook

You create a simulacrum of one Beast or Humanoid that is within 10 feet of you for the entire casting of the spell. You finish the casting by touching both the creature and a pile of ice or snow that

, its Hit Point maximum is half as much, and it can’t cast this spell. The simulacrum is Friendly to you and creatures you designate. It obeys your commands and acts on your turn in combat. The

Wish

Spells Player’s Handbook

Wish is the mightiest spell a mortal can cast. By simply speaking aloud, you can alter reality itself. The basic use of this spell is to duplicate any other spell of level 8 or lower. If you use it

space that you can see on the ground. Instant Health. You allow yourself and up to twenty creatures that you can see to regain all Hit Points, and you end all effects on them listed in the Greater

Arch-hag

Monsters Monster Manual

lairs frequently change or exhibit bewildering features. The region containing an arch-hag’s lair is altered by its presence, creating the following effects: Lapsus Linguae. Creatures

, it also casts Confusion centered on itself. The spell uses the creature’s spellcasting ability and doesn’t require Concentration. If the arch-hag is destroyed or moves its lair elsewhere

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

a living creature specified in the figurine’s description below. If the space where the creature would appear is occupied by other creatures or objects, or if there isn’t enough space for

) for up to 12 hours and can be ridden as a mount. Once it has been used, it can’t be used again until 2 days have passed. Giant Fly Large Beast, Unaligned AC 11 Initiative +1 (11) HP 19

Enclave Magic

Feats Forgotten Realms: Heroes of Faerûn

maximum of 20. Friend to Animals. You have Advantage on ability checks when taking the Influence action with Beasts. Two Hearts, One Mind. You always have the Beast Sense spell prepared. You can cast it

once without a spell slot, and you regain the ability to cast it in that way when you finish a Long Rest. When you cast it without a spell slot using this feature, it doesn’t require

Cultist of Demogorgon

Monsters Stranger Things: Welcome to the Hellfire Club

interpretations of ancient prophecies. They might worship supernatural patrons—deities, otherworldly creatures, manipulative alien minds, or stranger forces. Some cultists devote themselves to

Demogorgon, the self-proclaimed Prince of Demons. These cultists garb themselves in costumes that resemble the two-headed beast they worship. Their two-faced, monstrous masks and tentacled sleeves

Swanmay