S · Opening
Affordable Opener
Early waves and economy setup
Test: Can one placement hold while currency reaches the main carry?
Use the cheapest unit that passes the test; do not overinvest after it has done its job.
UPDATE 7 · BLEACH · AUGUST 12 SNAPSHOT
Judge current pulls by the job they perform, without importing a fake roster.
Role-based evaluation because Mera. does not publish a complete current roster or stat sheet. Named rosters and astronomical odds on many ranking pages are contaminated by Anime Defense RNG.
S · Opening
Early waves and economy setup
Test: Can one placement hold while currency reaches the main carry?
Use the cheapest unit that passes the test; do not overinvest after it has done its job.
S · AoE DPS
Grouped waves and general world progress
Test: Run the same stage twice and compare the first leak and clear margin.
Primary in-run upgrade target when groups cause failure.
A · Single-target DPS
Durable enemies and final waves
Test: Does boss time improve without making normal waves unstable?
Add after wave clear is stable.
A · Utility
Team amplification or lane control
Test: Measure total team result, not personal damage.
Keep when it changes a clear breakpoint.
B · Economy
Long stages and raids
Test: Does generated value repay the placement before pressure peaks?
Remove from short stages where payback arrives too late.
Watch · Flex
BLEACH update units and Extreme Raid
Test: Match map, spending, boosts, and placement against the replaced unit.
Do not assign permanent S tier from novelty alone.