Coming from a “gospel centered” context - I think it could help to connect the two. The gospel of the kingdom is only true because of the gospel. God delivers us and heals us and does miracles because of the gospel - because Jesus as perfect sacrifice, as second Adam, as spotless lamb, won these victories. And now he is collecting the spoils, and we can claim the promises of God because we are in Him, from grace.
Coming from a “gospel centered” context - I think it could help to connect the two. The gospel of the kingdom is only true because of the gospel. God delivers us and heals us and does miracles because of the gospel - because Jesus as perfect sacrifice, as second Adam, as spotless lamb, won these victories. And now he is collecting the spoils, and we can claim the promises of God because we are in Him, from grace.