Summoners War - Guide & Tutorial - Useful 2 Stars Summon Monsters

Here's a list of Useful 2 Stars Summon Monsters that can be very good to start with and even for last game! Also a list of Fusion Monsters.

List of Useful 2 Stars Monsters

Monsters	Reason	Obtain
Harpu	Excellent early AOE Healer and AOE Increase Attack. Multiple Attack. Late game for Raid!	Unknown Scroll Social Summon Secret Dungeon Magic Shop Challenge IV - Conquer 3F (Wind)
Hellhound	Everyone start with him! Excellent early Attacker with AOE Increase Attack and AOE Increase Critical Rate.	Starting Monster Unknown Scroll Social Summon Faimon Volcano Magic Shop
Warbear	Good early Defense monster, he have 2 AOE Attack that make him excellent for Crowd Control on Despair Rune.	Unknown Scroll Social Summon Telain Forest Secret Dungeon Magic Shop
Yeti	Good early HP monster, can take attention of Water Monsters with he's Shield and Recover HP.	Unknown Scroll Social Summon Secret Dungeon Magic Shop
Hellhound	Excellent early Attacker with Group Attack! Late game for Raid!	Unknown Scroll Social Summon Secret Dungeon Magic Shop
Garuda	Excellent early AOE Healer and AOE Cleaser with also Fill Up Attack Bar. Late game for Raid!	Unknown Scroll Social Summon Secret Dungeon Magic Shop Challenge IV - Conquer 3F (Fire)
Howl	Excellent early Heal and Cleaser on 1 Target and Self Heal with also another AOE Healer and AOE Cleaser up to 2 Harmful Effects.	Unknown Scroll Social Summon Hydeni Ruin Secret Dungeon Magic Shop
Pixie	Good early Crowd Control monster with AOE Decrease Attack Speed with also AOE Increase Attack Power and Increase Defense. Good on Despair Rune.	Unknown Scroll Social Summon Secret Dungeon Magic Shop Challenge V - Strategy Info
Warbear	Excellent early PvP monster. He can also be a great early farmer on Hydeni 5 Hell or Aiden 1 Hard. However, he use single target attack, making him slow on farming!	Unknown Scroll Social Summon Chiruka Remains Secret Dungeon Magic Shop
Yeti	Good early AOE Healer with also 2 multi-hits attack! 1st that can Decrease Attack Speed and the 2nd can Stun. Can be good in NB10.	Unknown Scroll Social Summon Secret Dungeon Magic Shop Challenge IV - Conquer 3F (Dark)
Howl	Excellent early Heal and Cleaser on 1 Target and Self Heal with also another AOE Healer and AOE Cleaser up to 2 Harmful Effects. Like Water Howl but with an extra Heal!	Secret Dungeon
Viking	Good early AOE Fill Attack Bar and AOE Heal.	Secret Dungeon
Salamander	Good early Decrease Attack and Continuous Damage with also a Freeze and Stun Immunity and deal additional damage according to the target MAX HP.	Secret Dungeon Challenge IV - Conquer 3F (Water)
Warbear	Good early Attacker monster, all he's attack are proportionate to MAX HP. AOE attack with Decrease Attack Power and also a Stun Attack.	Secret Dungeon

Useful 2 Stars Monsters for Fusion Hexagram

Monsters	Obtain	4 Stars Fusion	5 Stars Fusion
Yeti	SD	Ninja	Phoenix
Howl	SD	Joker	Phoenix
Garuda	SD	Nine-tailed Fox	Phoenix Valkyrja
Salamander	Tamor Desert & SD	Sylph	Valkyrja
Imp	SD	Undine	Valkyrja Ifrit
Pixie	SD	Vampire	Ifrit
Harpu	SD	Succubus	Ifrit Panda Warrior
Hellhound	Faimon Volcano	Horus	Panda Warrior
Imp	SD	Kung Fu Girl	Panda Warrior Paladin
Fairy	SD	Harp Magician	Paladin
Elemental	Vrofagus Ruins	Samurai	Paladin