Buddy

Siege Monster. Buddy deals double damage to objects and structures.

Mode Shift. Buddy can shift between 3 different modes. Attack Mode, Defense Mode and Standby Mode. Each Mode grants different bonuses, but only one mode can be active at a time. While in Standby Mode, Buddy can not move or take actions that are not exclusive to this mode.

Construct Mending. Buddy can not be healed by healing spells. They can be healed by the Mending cantrip, during which they regain 2d6 Hit Points when it is cast on them. Buddy can also try to fix themself or be fixed using smith's tools or mason's tools. This takes one minute and requires a DC 12 tool check. They then regain 1d6 Hit Points.

Construct Make. Buddy does not require sustenance, nor do the require air to breathe or sleep. However, they also do not regain Hit Points during a short or long rest.

Shift Mode. Buddy changes from one of their mode to another.

Clobber (Attack Mode only). Melee Weapon Attack: +8 to hit, reach 5 ft., 1 target. Hit: 12 (2d6 + 5) bludgeoning damage. 

Squeeze (Attack mode only). Melee Weapon Attack: +8 to hit, reach 5 ft., 1 target. Hit: 9 (1d8 + 5) bludgeoning damage. The Target must make a Strength Saving Throw (DC 16) or be grappled by Buddy.

Throw Rock (Attack Mode only). RangedWeapon Attack: +8 to hit, range 20/40 ft., 1 target. Hit: 8 (1d6 + 5) bludgeoning damage.

Protect Friend. (Defense Mode only). Buddy chooses one willing ally they can see within 5 ft. and envelopes them with their body. The ally gains full cover and automatically succeeds on saving throws against AOE attacks, effects and spells.

Rush to Help (Defense Mode only). Buddy chooses one friendly creature within 60 feet of them and takes the Dash action, rushing in a straight line toward that creature. While taking this action Buddy also gains the benefits of the Dodge action.

Sentinel's Rest (Standby Mode only). Buddy emits a wave of energy that grants any ally within 30 feet of them 1d6 + 6 temporary Hit Points. These temporary hit points last for 1 minute or until the are depleted.

Shove (Attack Mode only). Buddy tries to shove a creature 5 feet away from themself or knock it prone.

Pick Up (Defense Mode only). Buddy chooses up to two willing creatures within 5 feet of themself and lift them on their shoulders. The creatures are not considered grappled and can freely leave Buddy's shoulders.

Raging Sentinel (Attack Mode only). When a hostile creature enters Buddy's reach, he immediately makes one Clobber attack targeted and that creature.

Interception (Defense Mode only). When a creature Buddy can see hits a target, other than Buddy, within 5 feet of Buddy with an attack, Buddy can use their reaction to reduce the damage the target takes by 2d10 (to a minimum of 0 damage). Buddy then takes damage equal to half of that amount (Buddy's resistances and invulnerabilities still apply).