ISO 19011:2018, 7.2.2 applies with no ISMS-specific addition: ISMS auditors should have the attributes that let them act on the principles of auditing and should behave professionally while auditing, being ethical (honest, fair, truthful, sincere and discreet), diplomatic, open-minded, perceptive, observant, tenacious, versatile, self-reliant, decisive, able to act with fortitude when a finding is unwelcome, open to improvement, culturally sensitive and working well with the auditee's people and with the rest of the audit team.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.