User blog comment:Mohamed7845/Who is the Better Mitigator?/@comment-5714316-20151117010505

"Adds BC, HC drop rate boost to BB/SBB for 3 turns & negates critical, elemental damage"

it means

A--->> Adds BC, HC drop rate boost ,negates critical, elemental damage  to to  BB/SBB for 3 turns

or

B -->>  "Adds BC, HC drop rate boost to BB/SBB for 3 turns and  negates critical, elemental damage for SELF"