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Returning 35 results for 'been bonus device cause rune'.
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Feats
Player’s Handbook
hit a creature with a weapon that has the Heavy property as part of the Attack action on your turn, you can cause the weapon to deal extra damage to the target. The extra damage equals your
Proficiency Bonus.
Hew. Immediately after you score a Critical Hit with a Melee weapon or reduce a creature to 0 Hit Points with one, you can make one attack with the same weapon as a Bonus Action.
Magic Items
Dungeon Master’s Guide
While wearing this armor, you gain a +1 bonus to Armor Class. You can also take a Bonus Action to cause the armor to assume the appearance of a normal set of clothing or some other kind of armor. You
Magic Items
Dungeon Master’s Guide
+1 bonus to attack rolls and damage rolls made with this magic weapon. Each rune beyond the first grants the Moonblade an additional property. The DM chooses each property or determines it randomly by
accepted by the weapon and try to attune to it, you become attuned to it instantly, and a new rune appears on it. You remain attuned to the weapon until you die or the weapon is destroyed. A Moonblade
Magic Items
Dungeon Master’s Guide
This staff can be wielded as a magic Quarterstaff that grants a +2 bonus to attack rolls and damage rolls made with it. It also has the following additional properties. Once one of these properties
is used, it can’t be used again until the next dawn.
Lightning. When you hit with a melee attack using the staff, you can cause the target to take an extra 2d6 Lightning damage (no action
Monsters
Monster Manual
cause the guardian to store one spell of level 4 or lower. To do so, the wearer must cast the spell on the guardian while within 5 feet of it. The spell has no effect but is stored within the guardian
the guardian. Response: The wearer gains a +5 bonus to AC, including against the triggering attack and possibly causing it to miss, until the start of the guardian’s next turn.Poison
Spells
Player’s Handbook
save DC). The vine can grapple only one creature at a time, and you can cause the vine to release a Grappled creature (no action required).
As a Bonus Action on your later turns, you can repeat the
Magic Items
Dungeon Master’s Guide
While holding this Shield, you can take a Bonus Action to cause it to animate. The Shield leaps into the air and hovers in your space to protect you as if you were wielding it, leaving your hands
free. The Shield remains animate for 1 minute, until you take a Bonus Action to end this effect, or until you die or have the Incapacitated condition, at which point the Shield falls to the ground or into your hand if you have one free.
Spells
Player’s Handbook
the spell and as a Bonus Action on your later turns, you can move the hand up to 60 feet and then cause one of the following effects:
Clenched Fist. The hand strikes a target within 5 feet of it
equal to your spell save DC. While the hand grapples the target, you can take a Bonus Action to cause the hand to crush it, dealing Bludgeoning damage to the target equal to 4d6 plus your
Spells
Player’s Handbook
Choose a manufactured metal object, such as a metal weapon or a suit of Heavy or Medium metal armor, that you can see within range. You cause the object to glow red-hot. Any creature in physical
contact with the object takes 2d8 Fire damage when you cast the spell. Until the spell ends, you can take a Bonus Action on each of your later turns to deal this damage again if the object is within range
Magic Items
Dungeon Master’s Guide
This prism has 50 charges. While you are holding it, you can take a Magic action and use one of three command words to cause one of the following effects:
First Command Word. The gem sheds Bright
Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the command word or until you use another
Magic Items
Dungeon Master’s Guide
. The weapon uses your attack roll and adds your ability modifier to damage rolls.
While the weapon hovers, you can take a Bonus Action to cause it to fly up to 30 feet to another spot within 30 feet of
you. As part of the same Bonus Action, you can cause the weapon to attack one creature within 5 feet of the weapon.
After the hovering weapon attacks for the fourth time, it flies back to you and
Magic Items
Dungeon Master’s Guide
While holding this magic weapon, you can take a Bonus Action and use a command word to cause flames to engulf the damage-dealing part of the weapon. These flames shed Bright Light in a 40-foot radius
and Dim Light for an additional 40 feet. While the weapon is ablaze, it deals an extra 2d6 Fire damage on a hit. The flames last until you take a Bonus Action to issue the command again or until you drop, stow, or sheathe the weapon.
Spells
Player’s Handbook
independently of you, but it obeys your commands.
Telepathic Connection. While your familiar is within 100 feet of you, you can communicate with it telepathically. Additionally, as a Bonus Action, you
forever. As a Magic action while it is temporarily dismissed, you can cause it to reappear in an unoccupied space within 30 feet of you. Whenever the familiar drops to 0 Hit Points or disappears into
Feats
Player’s Handbook
Strength saving throw (DC 8 plus your Strength modifier and Proficiency Bonus). On a failed save, you either push the target 5 feet from you or cause it to have the Prone condition (your choice). You can
Magic Items
Dungeon Master’s Guide
This item appears to be a sword hilt.
Blade of Radiance. While grasping the hilt, you can take a Bonus Action to cause a blade of pure radiance to spring into existence or make the blade disappear
+2 bonus to attack rolls and damage rolls made with this weapon, which deals Radiant damage instead of Slashing damage. When you hit an Undead with it, that target takes an extra 1d8 Radiant damage
Magic Items
Dungeon Master’s Guide
You have a +2 bonus to attack rolls and damage rolls made with this magic weapon.
While holding this weapon, you can cause it to emit green Dim Light out to 10 feet, either as a Bonus Action or
after you roll Initiative, or you can extinguish the light as a Bonus Action.
While holding this weapon, you can take a Bonus Action to alter its form, turning it into a 6-inch rod (for ease of storage
Magic Items
Dungeon Master’s Guide
As a Magic action, you can place this 1-inch adamantine statuette on the ground and, using a command word, cause it to grow rapidly into a square adamantine tower. Repeating the command word causes
a single door at ground level on the side facing you. The door opens only at your command, which you can issue as a Bonus Action. It is immune to the Knock spell and similar magic.
Magic prevents the
Magic Items
Dungeon Master’s Guide
Bonus Action to cause it to move in one direction of your choice, up to a number of feet equal to 5 times your Intelligence modifier (minimum 5 feet). Any creature whose space the sphere enters must
Magic Items
Dungeon Master’s Guide
to cause one weapon you are holding to burst into flames. The flames emit Bright Light in a 10-foot radius and Dim Light for an additional 10 feet. The flames are harmless to you and the weapon. When
you hit with an attack using the blazing weapon, the target takes an extra 1d6 Fire damage. The fl ames last until you take a Bonus Action to extinguish them or until you drop or stow the weapon
Magic Items
Eberron: Forge of the Artificer
This magic weapon grants a +1 bonus to attack and damage rolls made with it. While holding it, you can take a Bonus Action to cause it to shed Bright Light in a 30-foot radius and Dim Light for an
additional 30 feet. You can extinguish the light as a Bonus Action.
The weapon has 4 charges. You can take a Reaction immediately after being hit by an attack roll to expend 1 of the weapon’s
Magic Items
Netheril’s Fall
cloak, you can take a Bonus Action and expend 1 charge to activate the cloak’s magic. The magic lasts for 1 minute or until you end it early (no action required).
While the cloak’s magic
is active, you gain a Fly Speed of 30 feet and can hover. Additionally, once on each of your turns when you hit a creature with an attack roll and deal damage, you can cause the target to take an extra 1d4 Radiant damage. If you are aloft when the cloak’s magic ends, you fall.
Magic Items
Stranger Things: Welcome to the Hellfire Club
using the Shield against a target within 5 feet of yourself. Apply your Proficiency Bonus and Strength modifier to the attack roll. On a hit, the Shield deals Piercing damage equal to 2d6 plus your
Strength modifier.
Spike Salvo. As a Magic action, you can cause spikes to erupt from the Shield in a 30-foot Cone. Each creature in the Cone makes a DC 13 Dexterity saving throw, taking 3d6 Piercing
Monsters
Forgotten Realms: Adventures in Faerûn
’t take Reactions, and it can take either an action or a Bonus Action on its turn, not both. It repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1
minute, it succeeds automatically.Curious and self-confident, young spirit dragons can cause trouble for a region’s other denizens, by either unleashing long-buried evils or misusing scarcely
Monsters
Bigby Presents: Glory of the Giants
possession. While holding or wearing the object bearing the rune, the giant can use its Magma Wave action and Furnace Armor bonus action.
The object bearing the rune has AC 15; 40 hit points; and immunity to
billowing smoke, the giant has half cover. The armor stops billowing smoke after 1 minute, when the giant dies, when the giant uses a bonus action to end the effect, or when the giant’s fire rune is destroyed.
Feats
Forgotten Realms: Heroes of Faerûn
target must succeed on a Wisdom saving throw (DC 8 plus your Wisdom modifier and Proficiency Bonus) or have the Frightened condition until the end of your next turn. If the target succeeds on the save or
when the effect ends for a target, the target is immune to this effect for 24 hours.
Inspired by Fear. When you cause a creature to have the Frightened condition and you are the source of its fear
Magic Items
Forgotten Realms: Heroes of Faerûn
hours or until a creature touches the wonder with its key as a Utilize action to deactivate it, after which the wonder has the Unconscious condition until it is wound again.
Bonus Actions
Chime
resembles a metal turtle shell with straps. It is designed to be worn on your back or flank, depending on your anatomy. Once wound, the mobility wonder transforms into a personal transport device and
Monsters
Bigby Presents: Glory of the Giants
giant uses this action again.Ice Armor (Requires Frost Rune). When a creature the giant can see makes an attack roll against it, the giant can form a coat of ice around itself, granting it a +6 bonus to
Frost Rune. The giant has a frost rune inscribed on a chunk of ice or some other object in its possession. While holding or wearing the object bearing the rune, the giant can use its Ice Wolves
Monsters
Bigby Presents: Glory of the Giants
Legendary Resistance (3/Day). If the giant fails a saving throw, it can choose to succeed instead.
Stone Rune. The giant has a stone rune inscribed on a mineral object in its possession. While
holding or wearing the object bearing the rune, the giant can use its Prismatic Rays action.
The object bearing the rune has AC 18; 30 hit points; and immunity to necrotic, poison, and psychic damage. The
Monsters
Bigby Presents: Glory of the Giants
Shroud of Souls bonus action.
The skull bearing the death rune has AC 18; 35 hit points; and immunity to necrotic, poison, and psychic damage. The skull regains all its hit points at the end of every turn
disadvantage on saving throws until the end of that creature’s next turn. The shroud disappears after 1 minute, when the giant dies, when the giant uses this bonus action again, or when the giant’s death rune is destroyed.
Equipment
the device gives the device 3 charges.
As an action while holding this device, you can expend 1 of its charges to cause one of the following effects:
Control. One Construct of your choice within 60
turns, ending the effect on itself on a success.
Replacing the Energy Cell. While the device has charges remaining, its energy cell can’t be removed. Once the device has 0 charges, you can replace the energy cell with a new cell by using an action or a bonus action.
Magic Items
Planescape: Adventures in the Multiverse
This skull-shaped device is filled with knowledge. The device weighs 5 pounds and is covered with subtle etchings of planar sigils.
As a bonus action, you can toss the device into the air, whereupon
successful unarmed strike against AC 22 or a successful DC 22 Dexterity (Acrobatics) check. You can use a bonus action to seize and stow the device.
The device has AC 22, 25 hit points, immunity to
Magic Items
Icewind Dale: Rime of the Frostmaiden
of existence as the Ythryn mythallar, you can use an action to cause it to fly in any direction you choose at a speed of 30 feet. All matter within 500 feet of the device moves with it. The Ythryn
hold. The largest mythallars are 150 feet in diameter.
The Ythryn mythallar is a relatively small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short
Magic Items
The Book of Many Things
. While you’re inside that area, your hammer glows with matching runes, and you gain a +3 bonus to attack and damage rolls made with this hammer. The rune circle disappears after 1 minute, when you
create another rune circle, or when you dismiss the rune circle as a bonus action. This hammer regains 1d3 expended charges daily at dawn.
Magic Items
Bigby Presents: Glory of the Giants
This magic weapon is a triple-barreled bronze musket. You gain a +1 bonus to attack and damage rolls made with it. It requires no ammunition, its damage is radiant instead of piercing, and it doesn
’t have the loading property. The base of the weapon is emblazoned with the light rune.
Additionally, while attuned to the weapon, you can cast dancing lights from the musket at will.
Invoking
Magic Items
Bigby Presents: Glory of the Giants
maximum equal to your proficiency bonus. You then regain a number of hit points equal to the total roll plus your Constitution modifier.
Once the rune has been invoked, it can’t be invoked again until the next dawn.
The back of this weatherworn leather glove is adorned with three large metal hooks shaped like a mole’s claws. Stitched into the glove’s palm is the mountain rune.
The glove is






