Consent of Independent Registered Public Accounting Firm

Exhibit 10

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Post-Effective Amendment No. 26 to Registration Statement No. 033-42681 on Form N-1A of our report dated February 28, 2011, relating to the financial statements and financial highlights of BlackRock World Income Fund, Inc. (“the Fund”), appearing in the Annual Report on Form N-CSR of the Fund for the year ended December 31, 2010. We also consent to the references to us under the headings “Financial Highlights” in the Prospectuses and “Financial Statements” in the Statement of Additional Information, which are part of such Registration Statement.

/s/ Deloitte & Touche LLP

Princeton, New Jersey
April 27, 2011