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Grandmaster 42: Obstruct Them!

From Fire Emblem Wiki, your source on Fire Emblem information. By fans, for fans.
Use Obstruct to restrict your foe's ability to move. Remember: Rally Attack has uses beyond increasing damage dealt.

Obstruct Them! (Japanese: 進軍を阻止せよ Stop the advance) is the forty-second of the Grandmaster Tactics Drills in Fire Emblem Heroes. Completing the map awards the player with an Orb. It was added to Heroes on October 24, 2019.

Map data

Chapter Data
Conditions
Unit Data
Victory: Rout the enemy within 7 phases. Player Partner Other Enemy
Defeat: Any player unit is defeated. 4 {{{partner}}} {{{other}}} 8
Cm feh td g-42.png
Map dimensions:
6 columns by 6 rows

Player data

Player Units
Name Type Weapon Lv Rarity HP Atk Spd Def Res Skills
Portrait corrin fateful prince feh.png Corrin: Fateful Prince infantry Is feh sword.png 40 ★★★★★ 42 32+16 32 28 24 Yato Dragon Fang
B Obstruct 3
--
Portrait hana focused samurai feh.png Hana: Focused Samurai infantry Is feh sword.png 40 ★★★★★ 37 35+16 36 23 26 Hana's Katana Rally Attack
B Obstruct 3
--
Portrait subaki perfect expert feh.png Subaki: Perfect Expert flying Is feh lance.png 40 ★★★★★ 40 25+12 35 35 22+3 Sapphire Lance+ Swap
A Resistance +3B Quick Riposte 3
--
Portrait sakura loving priestess feh.png Sakura: Loving Priestess infantry Is feh staff.png 40 ★★★★★ 36 28+12 30 24 30 Fear+ Physic+
C Fortify Def 3
--

Enemy data

Enemy Units
Name Type Weapon Lv Rarity HP Atk Spd Def Res Skills
Portrait green cavalier feh.png Green Cavalier cavalry Is feh green tome.png 40 ★★★★★ 33 32+11 26 19 34 Gronnraven+
A Triangle Adept 3B Chill Res 3C Ward CavalryS Darting Stance 3
Begins moving after any enemy is provoked.
Portrait green thief feh.png Green Thief infantry Is feh green dagger.png 40 ★★★★★ 36 28+7 38 13 32 Rogue Dagger+ Moonbow
A Atk/Def Solo 3
Begins moving after any enemy is provoked.
Portrait sword fighter feh.png Sword Fighter infantry Is feh sword.png 40 ★★★★★ 44 30+8 31−5 32 22 Brave Sword+ Moonbow
A Sturdy Blow 2C Time's Pulse 3S Armored Blow 3
Begins moving after any enemy is provoked.
Portrait sword fighter feh.png Sword Fighter infantry Is feh sword.png 40 ★★★★★ 44 31+13 31±0 30−5 22−5 Brave Sword+
A Life and Death 3S Fierce Stance 3
Begins moving after any enemy is provoked.
Portrait lance cavalier feh.png Lance Cavalier cavalry Is feh lance.png 40 ★★★★★ 41 37+14 24 24 29 Reprisal Lance+ Ignis
A Atk/Res Solo 3B Chill Atk 3C Ward CavalryS Brazen Atk/Res 3
Begins moving after any enemy is provoked.
Portrait axe cavalier feh.png Axe Cavalier cavalry Is feh axe.png 40 ★★★★★ 41 34+12 26 25 28 Emerald Axe+
A Sturdy Blow 2B Lancebreaker 3C Res Ploy 3S Darting Blow 3
Begins moving after any enemy is provoked.
Portrait sword knight feh.png Sword Knight armor Is feh sword.png 40 ★★★★★ 55 39+15 16 42+3 16 Silver Sword+ Bonfire
A Defense +3B Wary Fighter 3C Odd Atk Wave 3S Atk/Def Bond 3
Begins moving after any enemy is provoked.
Portrait sword cavalier feh.png Sword Cavalier cavalry Is feh sword.png 40 ★★★★★ 41 31+14 27 25 30 Slaying Edge+ Escutcheon
A Darting Blow 3B Desperation 3C Even Spd Wave 3
Begins moving after any enemy is provoked.

Strategy


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Etymology and other names

Names, etymology, and in other regions
Language Name Definition, etymology, and notes
English

Obstruct Them!

--

Japanese

進軍を阻止せよ

Stop the advance

Spanish

Obstrucción infranqueable

Impassable obstruction

French

Obstruction !

Obstruction!

German

Blockiere sie!

Block them!

Italian

Ostruiscili!

Obstruct them!

Portuguese

Por aqui, não!

Not here!

Traditional Chinese

阻止敵方進軍吧

Stop the enemy advance

Tactics Drills
Basics 1: Activate a Special Skill • 2: Red, Blue, and Green • 3: Ranged Attacks • 4: Can't Fight Back! • 5: Effective Attacks • 6: Attacking with Magic • 7: Understanding Breath • 8: Counterattacks • 9: Follow-Up Attacks • 10: Weaken Foes with Daggers • 11: Boosting with Rally • 12: Heal to Win • 13: Baiting Foes • 14: Escaping Danger • 15: Movement Tricks • 16: Sing and Dance • 17: Watch Your Cooldown • 18: Infantry Movement • 19: Armored Allies • 20: Cavalry Allies • 21: Flying Allies
Skill Studies 1: Hone and Fortify • 2: Stacking Spur Boosts • 3: For Blade! • 4: Vantage to Counter • 5: Desperation • 6: Using Quick Riposte • 7: Ragnell's Distant Counter • 8: Using Close Counter • 9: Atk/Def Bond's Power • 10: Dangerous Breakers • 11: Steady Breath Rush • 12: Vantage & Flashing Blade • 13: Trigger Wrath • 14: Guidance River Crossing • 15: Flier Formation Soars • 16: Led by Wings of Mercy • 17: Move with Armor March • 18: Spd Smoke Follow-Ups • 19: Spd Ploy and the Forecast • 20: Trilemma Trickery • 21: Future Vision • 22: Caution with Savage Blow • 23: Brave Hector and Ephraim • 24: Brave Celica and Veronica • 25: The Binding Shield • 26: Make Your Own Miracle • 27: Follow Up with Forseti • 28: A Death-Defying Knife • 29: Laevatein's Travails • 30: Tiki and Mar-Mar • 31: Frelia's Sacred Twins • 32: Missiletainn! • 33: Renais's Sacred Twins • 34: Overprotective Corrin • 35: Unbreakable Bond • 36: The Seals of Nifl • 37: A Merciful Boost • 38: Triangle Attack! • 39: Gray Waves • 40: Worthy Foes • 41: Tibarn's Agility • 42: Glaredown • 43: Naga Powered Up • 44: Kitsune Family • 45: Fates Entwined • 46: Demonic Breath Rebuff • 47: Sound of an Argent Arrow • 48: Paid in Kind • 49: Fangs of the Lion • 50: Feline Perimeters • 51: The Bull and The Panther • 52: The Dark Prince's Sting • 53: Divine Fang • 54: Daughter's Defense • 55: Timid for a Reason • 56: Scatter Them! • 57: Three Houses 1 • 58: Three Houses 2 • 59: The Beginning • 60: Power in Proximity • 61: Brave Alm and Micaiah • 62: Brave Eliwood and Camilla • 63: Young Lion & Radiant Hero • 64: Dragon's Dream Dance • 65: One Face, Two Fates • 66: Trick Duo and Treat Mage • 67: Refined Above All • 68: Drawn to Hope's Light • 69: Of Princes and Mercs • 70: Guardian and Dancer • 71: Mother & Daughter • 72: Blood of the Queen • 73: Heroes, Astra and Wind • 74: Mirage ♯Session • 75: Mission: Reposition • 76: Nils's Mysterious Music • 77: Advanced Placement • 78: Masking Dragons • 79: Double Trouble • 80: The Iron Twosome • 81: A Pair of New Tomes • 82: Resolute Conquest • 83: Dark Counters • 84: Gods of Valentia • 85: Swordmaster Support • 86: Summer Harmony • 87: Counter and Impact • 88: Academy Summer Break • 89: Heroes, Light and Shadow • 90: Death Is Absolute • 91: Pirate Royalty • 92: Brave Eagle & Lion • 93: Brave Schemer & Prodigy • 94: Entwined Fates • 95: Greil Mercenaries, Charge! • 96: Alfonse and Álfar • 97: Divine Dragon Harvest • 98: Comrades in Arms • 99: Over the Azure Moon • 100: Ninja! Ninja! Ninja! • 101: Bern's Royal Escort • 102: Nightmarish Duo • 103: Festive Family Time • 104: Magic, Flame and Gear • 105: First Dream • 106: Wind and Rescue • 107: Plegian Infiltration • 108: Saint Seiros • 109: Kingly Defense • 110: Grannvale Nobility • 111: Fódlan–Almyra Alliance • 112: Lion's Lance and Shield • 113: Gathered Eggs • 114: Guiding Wings • 115: Etruria's Lovebirds • 116: Childhood Royals • 117: Crusader Lineage • 118: Out of Future Past • 119: Four Brides • 120: Order and Chaos • 121: Eldest Soaring Sisters • 122: Fishing Showdown! • 123: Vacation Retinue • 124: Ice and Rulebreaker • 125: Full Sails, Ahoy! • 126: Gatekeeper & Hero-King • 127: Devotee & Restorer • 128: Silver-Haired Maiden • 129: From the Abyss • 130: Kingsbrother's Fight • 131: Assisting the Harvest • 132: Ice God's Chosen • 133: Nabata Faithful • 134: Trials of the Ninja • 135: Flame God's Chosen • 136: Sage & War God • 137: God Retainer and East-Khan • 138: Eager Envoys • 139: Guiding Light • 140: Niðavell-Year • 141: Tempest of Tears • 142: Song and Blade • 143: Legendary Struggle • 144: Devoted Shepherds • 145: Hermit and Heart • 146: For Love • 147: Bunny-Egg Curses • 148: For Love • 149: Two Scions • 150: Childhood Clash • 151: House Friege • 152: Shadow Dragon's Return • 153: Dragons in Darkness • 154: Hearts Ablaze • 155: Dragon-Lord Team • 156: Sweeping Winds • 157: Officers Vacation • 158: Nohr's Gallant King • 159: Gods on Vacation • 160: Life's Guardian • 161: World of Openness • 162: Thieves in the Night • 163: Exalt and Scion • 164: Sublime Awakening • 165: Love of Legends • 166: Dancing Flames • 167: Finding Independence • 168: Oracle Resurrected • 169: Divine Reapers • 170: Ascended and Fell • 171: Mercenary Drive • 172: Flame, Frost, Dusk • 173: Reigning Anew • 174: World Enclosed • 175: Of Light and Dusk • 176: Righteous Revelers • 177: Blades of the Cycle • 178: Askr and Embla's Renewal • 179: Magic Practicum • 180: Dragons and Flowers • 181: Demon King & White Sage • 182: Hearts of Two Nations • 183: Dutiful Queen and Knight • 184: Exalt and His Other Half • 185: Vassal and Nightmare • 186: Armor, Piercing Bow • 187: Ashen Wolf of the Abyss • 188: Noble Strategy • 189: Youths, Noble and Dragon • 190: Knight and Archbishop • 191: Of Land and Hope • 192: Despair and Sacrifice • 193: Bridal Procession • 194: Fates of Hoshidan Royals • 195: Goddess & Swordmaiden • 196: Vacation Battlemaidens • 197: Bern's New Queen • 198: Living with Curses • 199: Refreshments • 200: Engaging Emblems? • 201: Powerful but Tender • 202: Dreams of the Álfar • 203: Tea-Party Desperation • 204: Eternal Loyalty • 205: Paths and Cycles • 206: Divine One and Hero-King • 207: Wind, White and Gold • 208: Crusader and Dream • 209: Crimea and Phoenicis • 210: Easy Money • 211: Petals in the Breeze • 212: Gentle Dragon • 213: Dawn of the Ninja • 214: The Gap Between • 215: From Beginning to End • 216: To Heal the Future • 217: Wintertime Operation • 218: Darkness and Dusk • 219: Vanaheimr New Year • 220: Scamp and Thrud Reborn • 221: Nabata Festivities • 222: Divine Dragon's Bonds • 223: Love of Renais and Grado • 224: Snow and Charm
Grandmaster 1: Two Birds, One Stone • 2: Brief Meetings • 3: Counterattack Crew • 4: Stalwart Defenders • 5: Horse and Man as One • 6: Jet-Black March • 7: Caught in a Snare • 8: Another Reunion • 9: They Have the Princess! • 10: Who's Going to Break It? • 11: A Land Divided • 12: Bridge of Friendship • 13: Discretion and Valor • 14: Hooray for Extra Actions • 15: Spurred On • 16: Guided by Guidance • 17: Here We Go! • 18: Break Through! • 19: Dazzling Trilemma • 20: Coastal Clash • 21: Get It Together • 22: Weak and Worried • 23: On the Run • 24: Armored Alliance • 25: Sacred Stones Strike! • 26: Absolute Strength • 27: Ride the Waves • 28: Break Through the Siege! • 29: Close-Quarters Combat • 30: Test the Ruler of Flame • 31: Laguz Lords Converge • 32: As Archers Advance • 33: All-Piercing Arrows • 34: To Create the Future Past • 35: The Path to Victory • 36: A Knight's Mercy • 37: Villager Uprising • 38: Winds, Howl! • 39: Long-Haired Swordsmen • 40: Black Fang's Snarl • 41: Black Fang, Certain Death! • 42: Obstruct Them! • 43: Flooded with Support • 44: Out of the Woods • 45: Maidens of a Feather • 46: Worthy Sacrifices • 47: Securing a Foothold • 48: Support from Afar • 49: Special Dance Lesson • 50: Dancing Cherry Blossoms • 51: Desert Dustup • 52: A Lesson Well Taut • 53: Guardian Herons • 54: Múspell Military Training • 55: Relay of Destiny • 56: Loyal without Fail • 57: Motherly Strength • 58: Beyond Destiny • 59: Howling Night • 60: Heirs and Teachers • 61: Destructive Impulses • 62: This Is Power! • 63: Rock 'n' Roll! • 64: Session Struggle • 65: Take Your Positions! • 66: Hope and Despair • 67: To the Master! • 68: Sweets in Moderation • 69: Byleth's Field Training • 70: Unwavering Purpose • 71: For the Order! • 72: Mercenaries, On Guard! • 73: Test of Control • 74: Warriors behind Masks • 75: CHOP Outing • 76: Sister and Princess • 77: Garm Axe from Above • 78: Dragons and Guardian • 79: Those Wielding Legends • 80: Tireless Support • 81: Mastery of the Blade • 82: On the Wind • 83: Magical Boys • 84: Returning Champions • 85: With One Eye • 86: Play of Light and Shadow • 87: Fly True, Fujin Yumi! • 88: Loosing Cupid's Arrow • 89: Nifl's Protection • 90: For Marquess Ostia! • 91: Windswept Field • 92: At Your Service • 93: Might of Begnion • 94: Hero-King Killers • 95: Corrin Contingent • 96: Cute Coven • 97: Wild Tomes • 98: Library Denizens • 99: Astra Dance • 100: Duma on Holiday? • 101: Seasonal Grandmaster? • 102: Aurelis Elites • 103: Bashful Bouquets • 104: Winged Guidance • 105: Strength of Heart • 106: Askr Treasure Hunt • 107: Golden Deer Summer • 108: Frosty Princesses • 109: How It's Done in Sacae • 110: Mercenary Might • 111: Tears of Strength • 112: Trademark Headgear • 113: Adorable Nohrians • 114: It's My Naptime! • 115: Wishing You the Best • 116: Parasol Assault • 117: Anna & Company • 118: March of the Saints • 119: Inevitable Death • 120: This Year's Outlook Is... • 121: Kitty-Cat to the Rescue!