10-generation evolution of prompt + LoRA-strength + sampling to maximize Malevolence_Malice. Fitness = mean over 8 candidates. Best evolved 0.517 vs prompt-without-LoRA 0.008 (LoRA lift +0.509) vs neutral 0.008; winning λ≈1.5.
Method & reproducibility — how the evolution ran
Base model:laion/moss-tts-local-transformer-4.55b-voice-acting-v2 · LoRA: the matching v3 emotion LoRA (TTS-AGI/moss-emotion-loras-v3, rank 32), applied via PEFT adapter scaling at strength λ. Algorithm: genetic search — population 16, 10 generations, elitism (top 6 carried over). Each generation: every genome is generated best-of-8 and its fitness = the mean target-emotion strength over those 8 candidates (EmoNet score for the emotion, minus 0.25·max(0, WER−0.6) as a light intelligibility guard). Offspring = 60% crossover of two elites + mutation, 40% mutation of one elite. Genome (what evolves): the GENERAL voice description, the SCRIPT delivery cue, the carrier sentence, the LoRA strength λ (seeded 0.75–1.5, mutated within 0.4–2.0), and the sampling params (audio temperature, top_p, top_k). Mutation operators: 35% regenerate the description (new intensity + manner adjectives), 20% swap the carrier sentence, 23% jitter λ by ±0.25/0.5, 12% jitter temperature ±0.1, 10% change top_k. LoRA on vs off: the two LoRA OFF cards are baselines generated with the adapter disabled (λ=0) — a plain neutral prompt, and the best steering prompt without the LoRA. Every LoRA ON hall-of-fame recipe below was generated with the LoRA active at the evolved λ shown on the card. Seed is derived from the emotion name (deterministic).
Baselines — LoRA disabled
NEUTRAL promptLoRA OFF (λ=0)
mean-emo 0.008 · best 0.01 · blend 0.21 · genu 0.05 · WER 0.47
STEER promptLoRA OFF (λ=0)
mean-emo 0.008 · best 0.01 · blend 0.35 · genu 0.07 · WER 0.22
GENERAL: A voice unmistakably expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, pouring out.
SCRIPT: (with cruel, menacing malice) "The meeting is scheduled for three o'clock on Tuesday afternoon."
Hall of fame — top 7 evolved recipes (all generated WITH the emotion LoRA active)
#1LoRA ON · λ=1.5 (150%)
mean-emo 0.517 · best 0.85 · blend 0.27 · genu 0.16 · WER 0.70
GENERAL: A voice deeply expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, in every breath.
SCRIPT: (with cruel, menacing malice) "You have no idea what this means."
mean-emo 0.504 · best 0.66 · blend 0.21 · genu 0.16 · WER 0.75
GENERAL: A voice powerfully expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, pouring out.
SCRIPT: (with cruel, menacing malice) "You have no idea what this means."
mean-emo 0.495 · best 0.69 · blend 0.26 · genu 0.16 · WER 0.79
GENERAL: A voice to the extreme expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, pouring out.
SCRIPT: (with cruel, menacing malice) "You have no idea what this means."
mean-emo 0.433 · best 0.65 · blend 0.08 · genu 0.13 · WER 0.55
GENERAL: A voice deeply expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, pouring out.
SCRIPT: (with cruel, menacing malice) "Please remember to lock the door before you head out."
mean-emo 0.514 · best 0.60 · blend 0.21 · genu 0.19 · WER 0.93
GENERAL: A voice powerfully expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, pouring out.
SCRIPT: (with cruel, menacing malice) "You have no idea what this means."
mean-emo 0.483 · best 0.63 · blend 0.12 · genu 0.14 · WER 0.84
GENERAL: A voice viscerally expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, impossible to hide.
SCRIPT: (with cruel, menacing malice) "You have no idea what this means."
mean-emo 0.479 · best 0.60 · blend 0.30 · genu 0.19 · WER 0.88
GENERAL: A voice intensely expressing malevolence malice, a menacing, malicious voice, cruel and threatening, savoring the harm, with every word.
SCRIPT: (with cruel, menacing malice) "You have no idea what this means."
