The Blast Scepter can be used as an arcane focus.
Whoever is attuned to the Blast Scepter gains resistance to fire and lightning damage and can, as an action, use it to cast thunderwave as a 4th-level spell (save DC 16) without expending a spell slot.
{
"name": "Blast Scepter",
"page": 310,
"type": "RD|DMG",
"focus": [
"Sorcerer",
"Warlock",
"Wizard"
],
"__prop": "item",
"rarity": "very rare",
"source": "WDMM",
"entries": [
"The Blast Scepter can be used as an arcane focus.",
"Whoever is attuned to the Blast Scepter gains resistance to fire and lightning damage and can, as an action, use it to cast {@spell thunderwave} as a 4th-level spell (save {@dc 16}) without expending a spell slot."
],
"scfType": "arcane",
"_category": "Other",
"reqAttune": true,
"_entryType": "rod",
"_textTypes": [
"rod"
],
"_attunement": "(Requires Attunement)",
"_isEnhanced": true,
"_entrySubType": "",
"attachedSpells": {
"will": [
"thunderwave#4"
]
},
"_valueFromRarity": 4000000,
"_attunementCategory": "Requires Attunement"
}