The rollicking worship pulsed for nearly an hour in the humid Sanctuary: energetic singing, hundreds of hands raised, prophetic words referencing the Spirit’s flames, and sparks of spontaneous prayer among strangers from different states and nations.

When the worship ended, the crowd sat down, opened their English Standard Version Bibles and settled in for a 35-minute expository sermon on Galatians from King’s

Church London teaching pastor Andrew Wilson, who brought a different kind of fire.

Each night of the Advance church planting network’s global conference featured this sort of hybrid—doctrinally rich, gospel-focused, Reformed preaching sandwiched between free-flowing charismatic worship—a combination that would make many a Presbyterian (and a few Pentecostals) squirm.

But for the crowd gathered at Covenant Life Church in suburban Washington, DC, including pastors from Kenya, Nepal, Australia, and Thailand, it flowed as naturally as it does in their own Reformed charismatic churches—more than 70 of them across the globe.

Advance is hardly the only group in the middle of this theological Venn diagram, with growing numbers of theologically savvy, Spirit-filled followers in the United States, Britain, and around the world. Five hundred years after the Reformation, Luther’s 21st-century inheritors are embracing the Holy Spirit in new and deeper ways.

Newfrontiers, a network of global “apostolic spheres,” has planted hundreds of churches over the last 30 years, many of which fit the Reformed charismatic mold. The movement’s founder, Terry Virgo, a British pastor, serves as a sort of elder statesman of Calvinist continuationists and authored the book The Spirit-Filled Church. ...

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