Aiming a Storm Cannon requires the Utilize action, then a creature can take the Lightning Ball action.
Storm Cannon
ObjectHBTDp. 42024
Raw data
{
"ac": 18,
"hp": 30,
"name": "Storm Cannon",
"page": 4,
"size": [
"M"
],
"__prop": "object",
"altArt": [
{
"name": "Storm Cannon (Top-Down)",
"source": "HBTD"
}
],
"source": "HBTD",
"entries": [
"Aiming a Storm Cannon requires the {@action Utilize|XPHB} action, then a creature can take the Lightning Ball action."
],
"hasToken": true,
"objectType": "SW",
"tokenCredit": "Sega, Games Workshop",
"tokenCustom": true,
"actionEntries": [
{
"name": "Lightning Ball (Requires Aim)",
"type": "entries",
"entries": [
"{@atkr r} {@hit 6}, range 600/800 ft. {@h}22 ({@damage 4d10}) Lightning damage."
]
}
]
}