SEC Filing Document

Company: Berto Acquisition Corp. II
Ticker: GUAC
CIK: 2081515
Filing Type: S-1MEF
Document Type: EX-5.2
Date Filed: 2026-05-15
Accession Number: 0001829126-26-005263
Exchange: 
SIC Code: 6770
SIC Description: Blank Checks
URL: https://www.sec.gov/Archives/edgar/data/2081515/000182912626005263/bertoacquisition2_ex5-2.htm

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the form of the unit certificate representing the Units and the Over-Allotment Units (the Unit Certificates ). 9 A draft specimen certificate for Ordinary Shares (the Share Certificates ). 10 A draft of the form of the warrant agreement and the warrant certificate constituting the Warrants (the Warrant Documents and, together with the Unit Certificates and the Share Certificates, the Documents ). Berto Acquisition Corp. II 14 May 2026 Schedule 2 Assumptions Assumptions of general application 1 All original documents examined by us are authentic and complete. 2 All copy documents examined by us (whether in facsimile, electronic or other form) conform to the originals and those originals are authentic and complete. 3 All signatures, seals, dates, stamps and markings (whether on original or copy documents) are genuine. 4 Each of the Good Standing Certificate and the Director’s Certificate is accurate and complete as at the date of this opinion.

5	Where any Document has been provided to us in draft or undated form, that Document has been executed by all parties in materially the form provided to us and, where we have been provided with successive drafts of a Document marked to show changes from a previous draft, all such changes have been accurately marked.

6	There will be no intervening circumstance relevant to this opinion between the date hereof and the date upon which the Ordinary Shares are issued.

7	There is nothing in any law (other than the laws of the Cayman Islands) that would or might affect the opinions herein.

Status, authorisation and execution

8	Each of the parties to the Documents other than the Company is duly incorporated, formed or organised (as applicable), validly existing and in good standing under all relevant laws.

9	Each Document has been duly authorised, executed and unconditionally delivered by or on behalf of all parties to it (other than the Company) in accordance with all applicable laws.

10	In authorising the execution and delivery of the Documents by the Company, the issue and allotment of the Ordinary Shares and Warrants, and the exercise of its rights and performance of its obligations under the Documents, each of the directors of the Company has acted in good faith with a view to the best interests of the Company and has exercised the standard of care, diligence and skill that is required of him or her.

11	Each Document that has not been executed as of the date of this opinion will be duly executed and unconditionally delivered by the Company in the manner authorised by the Resolutions.

Berto Acquisition Corp. II

14 May 2026

Enforceability

12	None of the opinions expressed herein will be adversely affected by the laws or public policies of any jurisdiction other than the Cayman Islands. In particular, but without limitation to the previous sentence:

(a)	the laws or public policies of any jurisdiction other than the Cayman Islands will not adversely affect the capacity or authority of the Company; and

(b)	neither the execution or delivery of the Documents nor the exercise by any party to the Documents of its rights or the performance of its obligations under them contravene those laws or public policies.

Share Issuance

13	The Ordinary Shares to be issued after the date of this opinion shall be issued at an issue price in excess of the par value thereof.

14	The A&R M&A appended to the Registration Statement will be adopted by the Company in accordance with the Articles of Association prior
to the date that any Units, Ordinary Shares, Warrants, or Over-Allotment Units are issued by the Company.

Register of Writs

15	The Register of Writs constitutes a complete and accurate record of the proceedings affecting the Company before the Grand Court of the Cayman Islands as at the time we conducted our investigation of such register.

Berto Acquisition Corp. II

14 May 2026

Schedule 3

Qualifications

Good Standing

1	Under the Companies Act (Revised) of the Cayman Islands ( Companies Act ) annual returns in respect of the Company must be filed with the Registrar, together with payment of annual filing fees. A failure to file annual returns and pay annual filing fees may result in the Company being struck off the Register of Companies, following which its assets will vest in the Financial Secretary of the Cayman Islands and will be subject to disposition or retention for the benefit of the public of the Cayman Islands.

2	In good standing means only the Company is up-to-date with the filing of its annual returns and payment of annual fees with the Registrar. We have made no enquiries into the Company’s good standing with respect to any filings or payment of fees, or both, that it may be required to make under the laws of the Cayman Islands other than the Companies Act.

Limited Liability

3	We are not aware of any Cayman Islands authority as to when the courts would set aside the limited liability of a shareholder in a Cayman Islands company. Our opinion on the subject is based on the Companies Act and English common law authorities, the latter of which are persuasive but not binding in the courts of the Cayman Islands. Under English authorities, circumstances in which a court would attribute personal liability to a shareholder are very limited, and include: (a) such shareholder expressly assuming direct liability (such as a guarantee); (b) the company acting as the agent of such shareholder; and (c) the company being incorporated by or at the behest of such shareholder for the purpose of committing or furthering such shareholder’s fraud, or for a sham transaction otherwise carried out by such shareholder. In the absence of these circumstances, we are of the opinion that a Cayman Islands’ court would have no grounds to set aside the limited liability of a shareholder.

Non-Assessable

4	In this opinion, the phrase “non-assessable” means, with respect to the Ordinary Shares in the Company, that a shareholder shall not, solely by virtue of its status as a shareholder, be liable for additional assessments or calls on the Ordinary Shares by the Company or its creditors (except in exceptional circumstances, such as involving fraud, the establishment of an agency relationship or an illegal or improper purpose or other circumstance in which a court may be prepared to pierce or lift the corporate veil).

Berto Acquisition Corp. II

14 May 2026

Register of Writs

5	Our examination of the Register of Writs cannot conclusively reveal whether or not there is:

(a)	any current or pending litigation in the Cayman Islands against the Company; or

(b)	any application for the winding up or dissolution of the Company or the appointment of any liquidator, trustee in bankruptcy or restructuring officer in respect of the Company or any of its assets,

as notice of these matters might not be entered on the Register of Writs immediately or updated expeditiously or the court file associated with the matter or the matter itself may not be publicly available (for example, due to sealing orders having been made). Furthermore, we have not conducted a search of the summary court. Claims in the summary court are limited to a maximum of CI $20,000.