Operation guide: Ubi bona somnia

Operation

Guide

One of the Operations in the 5th floor of Mizuki & Caerula Arbor, Ubi bona somnia (Latin for "Where's the sweet dreams?") features a group of pre-spawned Nourished Reapers in the middle area; make a wrong move and you'll expect a literal pack of Reapers rushing towards the Operators and incapacitating them in a brisk pace with their screams! To make things worse, an Originiutant α (two in the Emergency Operation version) will break through the Rubbles on the upper areas; if they are ever allowed to do clear out the Rubbles, the enemies (including the Reapers) will take a much shorter path to the Protection Objective!

• It is advised to provoke the Reapers one by one, as their Nervous Impairment aura does stack if more than one Reaper is Combat-Ready and can overwhelm Wandering Medics.
  • An Executor Specialist should be able to hold off one Reaper long enough before they succumbs to its Nervous Impairment aura for it to expire before reaching the Objective (or at least, weakening it enough to be finished off by the Operators), as can Agent Vanguards and Merchant Specialists. Those with crowd-control abilities are effective to pin the Reaper long enough for its HP degeneration to weaken it, especially when paired with String Puppet and/or "Children's Puppet".
  • Avoid provoking multiple Reapers at once unless the player is sure that they can be weakened enough to expire before reaching the Objective.
  • Keep in mind that the Reapers' HP degeneration are percentage-based, so enemy HP-reducing Collectibles like "Profound Silence" won't make the Reapers degenerate HP faster. However, the HP reduction can make the Reaper succumb quicker to damage, so they still can be effective.
• Eliminate the Originiutant ASAP so that the enemy will take the bottom lane instead of the shorter upper lane to the Objective. Since they hit hard and very resilient, use helidrop Operators with high ATK to take them out, which may need multiple tries if the Operators are lacking.
• There are Nourished Drifters, so bring at least one Marksman Sniper to prevent them from catching one off-guard.
• Entering this Operation with "Sui's Wrath" is ill-advised, as the player may accidentally provoke several Reapers at once, especially early in the game. The same also applies to "Memories of The Shard", which can actually provoke all of them although it can be useful if there are few Reapers remaining.