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In addition, various factors of damage modification may also affect the damage dealt.

It is 2 for a critical hit in Generations II-V, 1.5 for a critical hit from Generation VI onward, and 1 otherwise.

This is equal to 1.5 if the moves type matches any of the users types, 2 if the user of the move additionally has Adaptability, and 1 if otherwise.

This can be 0 (ineffective); 0.25, 0.5 (not very effective); 1 (normally effective); 2, or 4 (super effective), depending on both the moves and targets types.

For example, if both Multiscale and a Chilan Berry take effect, other is 0.5 0.5 0.25.

If the calculation yields 0, the move will deal 1 HP damage instead; however, in Generations I and V, different behavior may occur due to apparent oversights.

Then, the move will receive STAB, because Glaceons Ice type matches the moves: STAB 1.5.

Additionally, Garchomp is Dragon Ground, and therefore has a double weakness to the moves Ice type: Type 4.

This is equal to 1.2 if the moves type matches any of the users types, and 1 if otherwise.

However, if it deals exactly 33037 HP, the HP bar will be drained automatically.

In addition, during the calculation of very high damage amounts an overflow can occur during the calculation, causing the actual damage dealt to be much lower than expected.

Smogon Dmg Calc