Heelo, This is my fift guide!

My runes is;
Greater Mark of Resilience-9
Greater Seal of Resilience-9
Greater Glyph of Warding-9
Greater Quintessence of Swiftness-3

My masteries is 21/0/9

Athene's Unholy Grail
+80 Ability Power +36 Magic Resist +15 Mana Regen per 5 seconds UNIQUE Passive: 15% Cooldown Reduction UNIQUE Passive: Restores 12% of your max Mana on Kill or Assist. UNIQUE Passive: Increases your Mana Regen by 1% per 1% Mana you are missing. Does not stack with Chalice of Harmony.
Force of Nature
+76 Magic Resist +40 Health Regen per 5 seconds +8% Movement Speed UNIQUE Passive: Restores 1.75% of your maxmium Health every 5 seconds.
Guardian Angel
+68 Armor +38 Magic Resist UNIQUE Passive: Revives your champion upon death, restoring 750 Health and 375 Mana (5 minute cooldown).

Resolute Smite - Galio fires a concussive blast from his eyes, slowing and dealing damage to enemies caught near the impact point.
Galio fires a concussive blast from his eyes, dealing 80/135/190/245/300 (+0.7) magic damage to enemies near the impact location, and reducing their movement speed by 24/28/32/36/40% for 2.5 seconds.
Cost
60/65/70/75/80 Mana
Range
940
Bulwark - Galio shields an ally Champion, increasing their Armor and Magic Resistance, and restoring Galio's health each time that Champion suffers damage.
Galio shields a friendly champion for 4 seconds, increasing their Armor and Magic Resistance by 30/45/60/75/90. Each time the unit suffers damage, Galio is healed for 25/40/55/70/85 (+0.3). (-20% healing for each consecutive hit)
Cost
60 Mana
Range
800
Righteous Gust - Galio claps his wings, unleashing a gust of concussive wind that damages enemies and leaves a directional draft in its wake that increases ally movement speed.
Galio unleashes a gust of concussive wind that deals 60/105/150/195/240 (+0.5) magic damage to all enemies in its path. A directional draft remains for 5 seconds, increasing the movement speed of allies passing through it by 20/28/36/44/52%.
Cost
70/75/80/85/90 Mana
Range
1180
Idol of Durand - Galio assumes the form of a statue, taunting nearby enemies and storing concussive energy as they attack him. Galio then bursts from his statue shell, releasing the stored energy to damage surrounding foes.
Galio channels for 2 seconds, taunting nearby foes and blocking 50% of incoming damage.

After channeling, Galio deals 220/330/440 (+0.6) magic damage to surrounding enemies, plus an additional 5% damage for each attack he suffered while channeling. Max 40% bonus damage.
Cost
100/150/200 Mana
Range
560
Runic Skin - Galio converts 50% of his total Magic Resistance into Ability Power.

Galio is op tank> so help team to take penta kill!1 :)