Trial:003 (BF2)

__TOC__
Challenge
Clear within 50 turns = 1 Metal Key
Clear with Rin in the party = 1 Jewel Key
Clear without Light units in the party = 1 Burst Cookie
---------
Clear: Sphere (聖銀の外套) = 3% parry, +20% BB fill rate
Use to activates Joshua's EXS
---------
Skillset
Joshua, > 50% HP
Every Odd turn
ラスト・ディターレント = Row ATK, and gains ATK/DEF/MDEF buff
Every Even turn
ワンス・ディターレント = ST on current highest HP
Every 5 turns, at 80% and 60% HP
聖輝のトライアンフ = AoE, and gains Hit count buff
75% HP
Summons Emilia and Weiss
Joshua, < 50% HP
These 4 skills will cycle throughout the remainder of the fight (starting from Fire):
フレア・ブリリアンス = Fire Row attack
フローズ・ブリリアンス = Water Row attack + BB ATK buff
リーフィ・ブリリアンス = Earth Row attack
ボルト・ブリリアンス = Thunder Row attack + Crit rate buff
At 40% HP
聖輝のトライアンフ = AoE, and gains Hit count buff. This has NO idle turn. Make sure your units are topped of before pushing.
煌の昂進 = gains +8% ATK/DEF/MDEF for entire battle
Every 3 turns < 40% HP
ペイルディグニファイ = Row attack; used every 3 turns when HP <40%
------
At 20% HP, 『…お前に耐えられるか？』 idles for 1 turn then casts
ロストルミナ = nuke