The power of having grade 3s on your field is reflected in this Bermuda Triangle COTD.
V-EB05/021 R リバーブレーター ディエス Reverberator, Dies
Grade 2 / Normal Unit / Magallanica – Bermuda Triangle – Mermaid
CONT (RC) This unit gets Power+5000 for each of your grade 3 rear-guards.
CONT (GC) If you have a grade 3 rear-guard, this unit gets Shield+5000.