Complex sentence: When she is rediscovered by her fans, Largo helps thwart a fanboy horde (but not well enough to escape being dismissed by the TPCD for it) and then offers to help Erika to deal with her "vulnerabilities in the digital plane".
Split into simpler sentences: When she is rediscovered by her fans, Largo helps thwart a fanboy horde, but not well enough to escape being dismissed by the TPCD for it. He then offers to help Erika to deal with her "vulnerabilities in the digital plane".