Board Thread:Questions and Answers/@comment-26495213-20150614192931/@comment-25209037-20150614203727

Mitigators - provides 50% damage reduction on BB/SBB (Narza, Aaron, Elimo 7☆, Darvanshel, Shera Oulu)

Pseudo-mitigators - provides either less than 50% mitigation (25%: Bargus, Edea 6☆, Elimo 6☆; 40%: Nevsky) or only has mitigation on either BB or SBB (BB: Bargus; SBB: Kaito)

BC/HC buffer - Battle Crystal/Health Crystal buffers increase the drop chance of BCs and HCs by certain amount in either Leader Skill or BB/SBB or as a sphere effect(ex: Zelnite, Feeva, Nick, Sol Creator)

BC/BB regen - fills your squad's BB gauge by a certain amount at the end of each turn, either on LS or as a BB/SBB buff or as a sphere effect (ex: Colt, Alma, Lodin, Diana, Lily Matah, Evil Shard)

Instant BB fill - fills your BB gauge instantly by a certain amount of BCs (ex: Zelnite, Shida, Ivris, Aaron)

BB fill on damage - aka Matah effect after the game changing effect Lily Matah brought, fills your BB gauge by a certain amount of BCs whenever your unit is attacked by an enemy, either on LS or as a BB/SBB/UBB buff (ex: Lily Matah, Diana, Vishra, Luka, Fei 6☆, Narza)

BB fill on spark - leader skills that fill your unit's BB gauge by a certain amount whenever they spark (ex: Rosetta, Raaga, Deemo, Ruby)

Spark - whenever your units' attack hits overlap w/each other

Elemental buff - buffs that add another element on top of your units' base element (ex: Shida, Quaid, Fiora, Luca, Ardin, Yujeh, Orna, Eve)

DEF ignore - buff that ignores DEF stat

Stat Debuff - different from status ailments, where it reduces one of the 4 parameters by a certain percentage (ex: HP - Magnazorda; ATK/DEF/REC - Fadahl, Zedus, Ardin, Griel)

Status ailments - Injury, sickness, poison, paralysis, weakness, curse, can either be inflicted by BB/SBB, as a buff or through items (ex: Torah, Elza, Semira, Nalmika)

Ares effect - short for Ares Excelsior, increases the BB gauge fill rate by a certain percentage by boosting the value of each individual BCs, currently only found in LS and some spheres (ex: Elza, Feeva, Urias, Miroku/Alzeon Pearl)