Unit EXP UP

Levels

LevelEffect
Lv1Party units' EXP 5% UP *Valid only when unit is leader
Lv1+Party units' EXP 7% UP *Valid only when unit is leader
Lv2Party units' EXP 10% UP *Valid only when unit is leader
Lv2+Party units' EXP 12% UP *Valid only when unit is leader
Lv3Party units' EXP 15% UP *Valid only when unit is leader
Lv3+Party units' EXP 17% UP *Valid only when unit is leader
Lv4Party units' EXP 20% UP *Valid only when unit is leader
Lv4+Party units' EXP 23% UP *Valid only when unit is leader
Lv5Party units' EXP 24% UP *Valid only when unit is leader
Lv5+Party units' EXP 25% UP *Valid only when unit is leader

Lv5 and Lv5+ don't drop. Clear a Nova Crest Palace stage with a Lv4 or Lv4+ crest on your leader unit, and it can evolve into one (Crest Burst).

Crest Fragments

LevelConverts to
Lv1CraftableLv1 Crest Fragment×1
Lv1+Lv1 Crest Fragment×5
Lv2CraftableLv2 Crest Fragment×1
Lv2+Lv2 Crest Fragment×5
Lv3CraftableLv3 Crest Fragment×1
Lv3+Lv3 Crest Fragment×5
Lv4CraftableLv4 Crest Fragment×1
Lv4+Lv4 Crest Fragment×5
Lv5
Lv5+

A crest you don't apply to your leader unit converts into Crest Fragments of its level. Ten fragments combine into a crest of that level, or convert into one fragment of the next.

Crafting

FragmentsMake
Lv1 Crest Fragment×10Lv1
Lv1 Crest Fragment×10Lv2 Crest Fragment×1
Lv2 Crest Fragment×10Lv2
Lv2 Crest Fragment×10Lv3 Crest Fragment×1
Lv3 Crest Fragment×10Lv3
Lv3 Crest Fragment×10Lv4 Crest Fragment×1
Lv4 Crest Fragment×10Lv4