Prerequisite: 11th-level ArtificerItem: suit of armor (requires attunement)
As a bonus action, the wearer of this magical suit of armor
can expend a Charge to cast enlarge/reduce, targeting itself,
without expending a spell slot or requiring concentration.
This magical suit of armor has a number of Charges equal
to your Intelligence modifier (minimum of 1 Charge), and it
regains all of its expended Charges each day at dawn.
At 17th level, the wearer can expend two Charges at one
time to reduce or grow their size by two size categories.