Related to take-no-prisoners: part and parcel
Extremely ardent or aggressive: "a take-no-prisoners arrogance that alienates others" (Time).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
wholeheartedly aggressive; zealous; gung-ho: a businessman with a take-no-prisoners attitude.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.