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Giga drill

Giga Drill hitting a Garden Snail

"Pierce the heavens with your drill!"
―Kamina, Epic Battle Fantasy 3

Giga Drill (also known as Tera Drill) is an Earth-elemental special skill available for Matt and Lance in Epic Battle Fantasy 3 and 4.

Description

Upon casting, a huge drill erupts beneath the target, making a loud creak, and dealing massive Earth-elemental physical damage.

Unlike other skills, Giga Drill's damage increases if the target has its Defence and/or Magic Defence buffed, and/or has the Defend status effect (in EBF4). Thanks to this, the skill proves very useful against enemies that tend to buff their and their allies' defences, including some bosses. Inversely, Giga Drill deals less damage if the target is suffering from a debuff in Defence and/or Magic Defence, possibly dealing zero damage in EBF4, or even healing the target in EBF3.

Note that it still follows the standard damage formula, thus Defence buff will be utilized twice — once to power the skill up (assuming a positive buff), and once to reduce its damage dealt, like usual. Power gain always outpaces damage reduction, yet Magic Defence buff is more efficient, as it only increases damage.

Drill Golem and Dark Matt are also capable of using Giga Drill.

Epic Battle Fantasy 3

Tera Drill is unlocked by completing a quest in Kitten Kingdom Ruins for Kamina. Tera Drill will not be affected by Gaia Axe's boost of Earth-elemental skills.

EBF3 Skill Tera Drill
Tera Drill
Attack that does more damage if the foe has buffed defence or magic defence, or especially both. High critical hit rate.
Target Type Element Status Effect Acc Crit RdF
Single Stat Attack 25% Element Earth -- 110% 30% 10%
Level Power Status Chance Status Strength MP AP Cost
1 60 -- -- 18 1000
2 100 -- -- 24 3000
3 140 -- -- 30 9000

Buffs' impact on power: SkillPower * (1 + (DefenceBuff * 4 + MagicDefenceBuff * 4) / 100), then affected by target's defences normally, including any existent buffs and bonuses.

  • Buffs are specified as displayed by in-battle icons.
  • At 70% Defence and Magic Defence buffs, it goes up to 6.6x power, then down to 6.6 / (1 + 70 / 100) ≈ 3.88x effective power.

Epic Battle Fantasy 4

Tera Drill has been renamed into Giga Drill. It can be obtained by complating a quest in Crystal Caverns for Simon. The skill received a few changes: Defending now powers it up too, but its critical hit chance and power increase from buffs has been slightly lowered.

EBF4 Skill Giga Drill
Giga Drill
Does more damage if the target has buffed defence or magic defence, or is defending.
Target Type Element Status Effect Acc Crit RdF
Single Stat Attack 25% Element Earth -- 100% 20% 10%
Level Power Status Chance Status Strength MP AP Cost
1 60 -- -- 12 300
2 90 -- -- 18 1000
3 120 -- -- 24 3000
4 150 -- -- 30 9000

Buffs' impact on power: SkillPower * (1 + (DefenceBuff * 3.5 + MagicDefenceBuff * 3.5) / 100), then affected by target's defences normally, including any existent buffs and bonuses.

  • Buffs are specified as displayed by in-battle icons.
  • Defend triples the outcome and then halves it, for 1.5x effective power gain in total.
  • If power goes negative, it'd become 0 instead.
  • At 70% Defence and Magic Defence buffs, it goes up to 5.9x (17.7x with Defend) power, then down to 5.9 / (1 + 70 / 100) ≈ 3.47x (≈5.2x with Defend) effective power.

Trivia

  • Giga Drill is a reference to Giga Drill Break from animé Tengen Toppa Gurren Lagann.