Deepdrill Gemm guide: skills, build and team roles
Overview
Deepdrill Gemm is a Rare Light Melee Attacker from the Stonehearts Faction in Invokers: Titan Legacy. She casts DEF Down and Combo SPD Down, makes the debuffs on her target last longer, and pays for your Titan Invokation with Titan Mana. Drill Down casts DEF Down and gives Titan Mana, Pressure Point casts Combo SPD Down, and Gritty Grind extends debuffs.
Her damage scales from ATK. Fully Awakened and before Gear, Gemm has 795 ATK, 545 DEF and 6,091 HP, with 60 Accuracy and 60 Combo SPD. Her HP is low for a Melee Attacker, so she needs a Tank in front of her.
Her Skills reward a team that stacks debuffs on one target. Drill Down gives more Titan Mana for every debuff on the target, and Gritty Grind lengthens the debuffs your teammates cast too, so they hold for the whole window your team needs.
All three of her debuff Skills need Accuracy to land.
Skills To Prioritize
Drill Down, her Ultimate, hits one enemy twice. The first hit casts DEF Down: 20% for ten seconds at Level 1, 30% from Level 6 and 15 seconds at Level 9. The second hit gives her Titan Mana: 30 at Level 1, 50 at Level 5 and 60 at Level 10, plus 2 for each debuff on the target, rising to 3 at Level 8 and 4 at Max Level. Its cost falls from 900 Mana to 850 at Level 8 and 800 at Max Level. It needs Accuracy.
Pressure Point hits one enemy and casts Combo SPD Down: 7% for eight seconds at Level 1, 14% for 11 seconds at Level 10 and 13 seconds at Max Level. The cooldown falls from 28 seconds to 24 at Level 10 and 23 at Max Level. It needs Accuracy.
Gritty Grind hits one enemy six times and extends the duration of one random debuff on the target with each hit: 1 second at Level 1, 1.9 seconds at Level 10 and 2 seconds at Max Level. The cooldown falls from 30 seconds to 26 at Level 10 and 25 at Max Level. It needs Accuracy.
Diamond Tip is a single hit on a ten-second cooldown at every Level.
If you want Gemm to pay for your Titan, upgrade Drill Down first, as Level 10 gives 60 Titan Mana on the second hit and Max Level raises the bonus to 4 for every debuff. If you want your team's debuffs to last, upgrade Gritty Grind first, as each hit extends 1.9 seconds at Level 10 and 2 seconds at Max Level. If you want her to slow a dangerous enemy, upgrade Pressure Point first, as Level 10 doubles Combo SPD Down from 7% to 14%.
Build And Team Support
Build Crit Rate to around 75-80%, then as much Crit DMG as the build allows. All three of her debuffs need Accuracy, so put Accuracy on your Chestplate and your Flask and add more after that as the build allows. Mana Gen on your Talisman helps her reach Drill Down, and Skill RECOV helps bring back Gritty Grind, which stretches the debuffs on your target.
For Relic Sets, Crit Rate Relics make her hits more reliable, Crit Damage Relics raise how hard they land, and Predator gives ATK at three pieces and Crit DMG at five. Accuracy Relics help her debuffs land, Mana Relics help her reach Drill Down, and Fury Relics bring back Gritty Grind sooner.
Pair her with a Tank to keep enemies off her, a healer, and teammates who cast debuffs, so Gritty Grind has more to extend and Drill Down has more to count.
Arena, Bosses And Spires
In Arena, Pressure Point slows a dangerous attacker and Drill Down lowers its DEF so your team hits harder. Be wary of enemy Invokers with Immunity or Skills that cleanse debuffs, as they can wipe out her debuffs before Gritty Grind can extend them.
Against Dark Omnissi, who asks for Combo SPD Down, debuff duration extension and Accuracy, Gemm casts Combo SPD Down with Pressure Point and extends debuffs with Gritty Grind, and her native Manaburn Tolerance covers one of Dark Omnissi's two Corruptions. Against Pentiax, who wants Titan Mana generation, Drill Down gives Gemm Titan Mana. Against Sorgott and Hyxxis, her native Manaburn Tolerance covers one of each Boss's two Corruptions.
Against Sedula, Drill Down's DEF Down raises the damage she takes, Pressure Point's Combo SPD Down slows her Combo Attacks, and Gritty Grind keeps those debuffs on her longer. Sedula changes Element every day, and Gemm has Elemental Advantage on the days she is Dark.
In the Light Spire, Gemm adds DEF Down and Titan Mana. Pair her with Invokers of a similar Rarity: Nirvelle the Soulraiser, an Epic Light Support, heals and revives, Chaddeus, an Uncommon Light Support, heals and casts Shields, and Selisa, a Rare Light Ranged Attacker, casts DEF Down, Move SPD Down and Stun.
Awaken
Awakening boosts an Invoker's stats significantly. Bonuses from Relics, Accessories, the Trophy Room, Tactics and Titan leader bonuses apply to base stats and Awakening stats alike, so unlocking the Awakening nodes is critical to maximise Gemm's potential.
Unlocking each Titan node at Star 2, 4 and 6 adds a second to Titan Invokation, taking the total from 12 seconds to 15.
Review the Awakening guide for more detail.
