A W-Engine produced by recycling abandoned Bangboo shells. Though it's made from scrapped parts, it still caused some distress among Bangboo lovers. "No Bangboo were hurt during the production of this W-Engine." — the manufacturer had to include this note on the packaging due to protests from Bangboo rights organizations.
Whenever a squad member inflicts an Attribute Anomaly on an enemy, the equipper gains a buff that increases Anomaly Proficiency by 30, stacking up to 4 times. This effect expires when the target recovers from Stun or is defeated. The duration of each stack is calculated separately.